Alnus glutinosa (alder)

Interactions where Alnus glutinosa is the victim or passive partner (and generally loses out from the process)

The following relationships have been collated from the published literature (see 'Interaction References').

Filters:

Affected Part	Summary	Taxon	Vernacular	Classification	References	Darwin Classification of Active Taxon	Active Taxon	Active Vernacular	Active State	Active Part	Active Stage	Relationship	Relationship Uncertain	Relationship Geography	Darwin Classification of Passive Taxon	Passive Taxon	Passive Vernacular	Passive State	Passive Part	Passive Stage	Passive Taxon's significance to Active Taxon	Indoors etc	Season	Summary
	is associate of	Poecilium alni	White-banded Longhorn Beetle	Coleoptera: Cerambycidae	Host Plants of British Beetles: A List of Recorded Associations, Bullock, J.A., 1992	/Animalia/Arthropoda/Insecta/Coleoptera/Cerambycidae/Poecilium alni/	Poecilium alni	white-banded longhorn beetle				Plant / associate			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder							is associated with
	is associate of	Agelastica alni	Alder Leaf Beetle	Coleoptera: Chrysomelidae	Host Plants of British Beetles: A List of Recorded Associations, Bullock, J.A., 1992	/Animalia/Arthropoda/Insecta/Coleoptera/Chrysomelidae/Agelastica alni/	Agelastica alni	alder leaf beetle				Plant / associate			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder							is associated with
	is foodplant of larva	Luperus flavipes	a leaf beetle	Coleoptera: Chrysomelidae	Host Plants of British Beetles: A List of Recorded Associations, Bullock, J.A., 1992	/Animalia/Arthropoda/Insecta/Coleoptera/Chrysomelidae/Luperus flavipes/	Luperus flavipes	a leaf beetle			larva	Foodplant / feeds on			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder							larva feeds on
	is foodplant of larva	Luperus longicornis	a leaf beetle	Coleoptera: Chrysomelidae	Host Plants of British Beetles: A List of Recorded Associations, Bullock, J.A., 1992	/Animalia/Arthropoda/Insecta/Coleoptera/Chrysomelidae/Luperus longicornis/	Luperus longicornis	a leaf beetle			larva	Foodplant / feeds on			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder							larva feeds on
	is foodplant of larva	Plagiosterna aenea	a leaf beetle	Coleoptera: Chrysomelidae	Host Plants of British Beetles: A List of Recorded Associations, Bullock, J.A., 1992	/Animalia/Arthropoda/Insecta/Coleoptera/Chrysomelidae/Plagiosterna aenea/	Plagiosterna aenea	a leaf beetle			larva	Foodplant / feeds on			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder				Sole			larva feeds on
	is foodplant of imago	Plagiosterna aenea	a leaf beetle	Coleoptera: Chrysomelidae	Host Plants of British Beetles: A List of Recorded Associations, Bullock, J.A., 1992	/Animalia/Arthropoda/Insecta/Coleoptera/Chrysomelidae/Plagiosterna aenea/	Plagiosterna aenea	a leaf beetle			imago	Foodplant / feeds on			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder							imago feeds on
	is foodplant of larva	Orchestes testaceus	Jumping Weevil	Coleoptera: Curculionidae	Host Plants of British Beetles: A List of Recorded Associations, Bullock, J.A., 1992	/Animalia/Arthropoda/Insecta/Coleoptera/Curculionidae/Orchestes testaceus/	Orchestes testaceus	jumping weevil			larva	Foodplant / feeds on			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder							larva feeds on
	is associate of	Abdera flexuosa	a false darkling beetle	Coleoptera: Melandryidae	Host Plants of British Beetles: A List of Recorded Associations, Bullock, J.A., 1992	/Animalia/Arthropoda/Insecta/Coleoptera/Melandryidae/Abdera flexuosa/	Abdera flexuosa	a false darkling beetle				Plant / associate			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder							is associated with
	is associate of	Calambus bipustulatus	a click beetle	Coleoptera: Elateridae	Host Plants of British Beetles: A List of Recorded Associations, Bullock, J.A., 1992	/Animalia/Arthropoda/Insecta/Coleoptera/Elateridae/Calambus bipustulatus/	Calambus bipustulatus	a click beetle				Plant / associate			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder							is associated with
	is associate of	Blepharidopterus angulatus	Black-kneed Apple Capsid	Hemiptera: Miridae	Land and Water Bugs of the British Isles, Southwood, T.R.E. & Leston, D., 1959	/Animalia/Arthropoda/Insecta/Hemiptera/Miridae/Blepharidopterus angulatus/	Blepharidopterus angulatus	black-kneed apple capsid				Plant / associate		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder							is associated with
	is associate of	Orthotylus flavinervis	a plantbug or grassbug	Hemiptera: Miridae	Land and Water Bugs of the British Isles, Southwood, T.R.E. & Leston, D., 1959	/Animalia/Arthropoda/Insecta/Hemiptera/Miridae/Orthotylus (Orthotylus) flavinervis/	Orthotylus (Orthotylus) flavinervis	a plantbug or grassbug				Plant / associate		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder				Major			is associated with
	is foodplant of	Orthotylus marginalis	Dark Green Apple Capsid	Hemiptera: Miridae	Land and Water Bugs of the British Isles, Southwood, T.R.E. & Leston, D., 1959	/Animalia/Arthropoda/Insecta/Hemiptera/Miridae/Orthotylus (Orthotylus) marginalis/	Orthotylus (Orthotylus) marginalis	dark green apple capsid				Foodplant / feeds on		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder							feeds on
	has sap sucked by adult	Compsidolon salicellum	a plantbug	Hemiptera: Miridae	Notes on the Recording and Identification of Psallus, Nau, B.S., 1984 Land and Water Bugs of the British Isles, Southwood, T.R.E. & Leston, D., 1959	/Animalia/Arthropoda/Insecta/Hemiptera/Miridae/Compsidolon (Coniortodes) salicellum/	Compsidolon (Coniortodes) salicellum	a plantbug			adult	Foodplant / sap sucker			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder						(7-10)	adult sucks sap of
	has sap sucked by adult	Psallus ambiguus	a plantbug	Hemiptera: Miridae	Notes on the Recording and Identification of Psallus, Nau, B.S., 1984 Land and Water Bugs of the British Isles, Southwood, T.R.E. & Leston, D., 1959	/Animalia/Arthropoda/Insecta/Hemiptera/Miridae/Psallus (Mesopsallus) ambiguus/	Psallus (Mesopsallus) ambiguus	a plantbug			adult	Foodplant / sap sucker		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder						(5)6-7(8)	adult sucks sap of
	has sap sucked by nymph	Psallus ambiguus	a plantbug	Hemiptera: Miridae	Notes on the Recording and Identification of Psallus, Nau, B.S., 1984 Land and Water Bugs of the British Isles, Southwood, T.R.E. & Leston, D., 1959	/Animalia/Arthropoda/Insecta/Hemiptera/Miridae/Psallus (Mesopsallus) ambiguus/	Psallus (Mesopsallus) ambiguus	a plantbug			nymph	Foodplant / sap sucker		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder						(5)	nymph sucks sap of
	is foodplant of imago	Psallus salicis	a plantbug	Hemiptera: Miridae	Notes on the Recording and Identification of Psallus, Nau, B.S., 1984	/Animalia/Arthropoda/Insecta/Hemiptera/Miridae/Psallus (Psallus) salicis/	Psallus (Psallus) salicis	a plantbug			imago	Foodplant / feeds on		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder						(7)8(9)	imago feeds on
	has sap sucked by nymph	Psallus salicis	a plantbug	Hemiptera: Miridae	Land and Water Bugs of the British Isles, Southwood, T.R.E. & Leston, D., 1959	/Animalia/Arthropoda/Insecta/Hemiptera/Miridae/Psallus (Psallus) salicis/	Psallus (Psallus) salicis	a plantbug			nymph	Foodplant / sap sucker			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder							nymph sucks sap of
	has sap sucked by adult	Psallus salicis	a plantbug	Hemiptera: Miridae	Land and Water Bugs of the British Isles, Southwood, T.R.E. & Leston, D., 1959	/Animalia/Arthropoda/Insecta/Hemiptera/Miridae/Psallus (Psallus) salicis/	Psallus (Psallus) salicis	a plantbug			adult	Foodplant / sap sucker			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder						(late 7-9)	adult sucks sap of
	has sap sucked by	Gonocerus acuteangulatus	Box Bug	Hemiptera: Coreidae	Land and Water Bugs of the British Isles, Southwood, T.R.E. & Leston, D., 1959	/Animalia/Arthropoda/Insecta/Hemiptera/Coreidae/Gonocerus acuteangulatus/	Gonocerus acuteangulatus	box bug				Foodplant / sap sucker		Foreign	/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder							sucks sap of
	has sap sucked by	Pentatoma rufipes	Forest Bug, Red-legged Shield Bug	Hemiptera: Pentatomidae	Land and Water Bugs of the British Isles, Southwood, T.R.E. & Leston, D., 1959	/Animalia/Arthropoda/Insecta/Hemiptera/Pentatomidae/Pentatoma rufipes/	Pentatoma rufipes	forest bug, red-legged shield bug				Foodplant / sap sucker			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder				Minor			sucks sap of
	may be infected and damaged by	Phytophthora pseudosyringae	a blight	Peronosporales: Peronosporaceae	Phytophthora pseudosyringae sp. nov., a new species causing root and collar rot of deciduous tree species in Europe, Jung T. et al, 2003	/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Phytophthora pseudosyringae/	Phytophthora pseudosyringae	a blight				Foodplant / pathogen		Foreign	/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder							infects and damages
	is parasitised by	Mycosphaerella conglomerata	an ascomycete	Capnodiales: Mycosphaerellaceae	Fungi of the South East England, Dennis, R.W.G., 1995	/Fungi/Ascomycota/Dothideomycetes/Capnodiales/Mycosphaerellaceae/Mycosphaerella conglomerata/	Mycosphaerella conglomerata	an ascomycete				Foodplant / parasite		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder							parasitises
	is parasitised by	Erysiphe penicillata	a powdery mildew	Erysiphales: Erysiphaceae	An Introduction to British Powdery Mildews, Ing, B., 1990	/Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Erysiphe penicillata/	Erysiphe penicillata	a powdery mildew				Foodplant / parasite		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder							parasitises
	may be infected and damaged by	Armillaria	honey fungi	Agaricales: Physalacriaceae	British Parasitic Fungi, Moore, W.C., 1959	/Fungi/Basidiomycota/Agaricomycetes/Agaricales/Physalacriaceae/Armillaria/	Armillaria	honey fungi				Foodplant / pathogen			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder							infects and damages
	is associate of fruitbody	Hypholoma myosotis	Olive Brownie	Agaricales: Strophariaceae	Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005	/Fungi/Basidiomycota/Agaricomycetes/Agaricales/Strophariaceae/Hypholoma myosotis/	Hypholoma myosotis	olive brownie			fruitbody	Plant / associate			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder							fruitbody is associated with
(fallen, blackened and sclerotified)	fallen, blackened and sclerotified female cone may be infected and damaged by 1-2+ apothecium	Ciboria alni	Cup Fungus	Helotiales: Sclerotiniaceae	New British Records 134: Ciboria alni (Rostr.) Buchw. in Freesia 3: 235 (1947), Anderson, R., 1996	/Fungi/Ascomycota/Leotiomycetes/Helotiales/Sclerotiniaceae/Ciboria alni/	Ciboria alni	cup fungus	1-2+		apothecium	Foodplant / pathogen		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder	fallen, blackened and sclerotified		female cone			(2-3)	1-2+ apothecium infects and damages fallen, blackened and sclerotified female cone
(live)	live may have female	Thrips alni	a thrips	Thysanoptera: Thripidae	Thysanoptera, Mound L.A., Morison, G.D., Pitkin, B.R. & Palmer, J.M., 1976	/Animalia/Arthropoda/Insecta/Thysanoptera/Thripidae/Thrips alni/	Thrips alni	a thrips			female	Plant / resting place / on			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder	live					(8)	female may be found on live
(psyllid-infested)	psyllid-infested is associate of larva	Meliscaeva auricollis	a hoverfly	Diptera: Syrphidae	Colour Guide to Hoverfly Larvae (Diptera, Syrphidae) in Britain and Europe, Rotheray, G.E., 1993	/Animalia/Arthropoda/Insecta/Diptera/Syrphidae/Meliscaeva auricollis/	Meliscaeva auricollis	a hoverfly			larva	Plant / associate			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder	psyllid-infested						larva is associated with psyllid-infested
bark	bark may have epiphytic colony	Trentepohlia abietina	a green alga	Trentepohliales: Trentepohliaceae	The Freshwater Algal Flora of the British Isles, John, D.M., Whitton, B.A. & Brook, A.J., 2002	/Plantae/Chlorophyta/Ulvophyceae/Trentepohliales/Trentepohliaceae/Trentepohlia abietina/	Trentepohlia abietina	a green alga			colony	Plant / epiphyte		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder		bark					colony grows on bark
bark (dead, fungus-killed)	dead, fungus-killed bark is decayed by perithecium	Valsalnicola oxystoma	an ascomycete fungus	Diaporthales: Melanconidaceae	Path News Issue 11: July 2005, Forest Research, 2005	/Fungi/Ascomycota/Sordariomycetes/Diaporthales/Melanconidaceae/Valsalnicola oxystoma/	Valsalnicola oxystoma	an ascomycete fungus			perithecium	Foodplant / saprobe		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder	dead, fungus-killed	bark					perithecium is saprobic on dead, fungus-killed bark
bark (dead)	dead bark is decayed by stroma	Hypocrea alni	a stromatic pyrenomycete	Hypocreales: Hypocreaceae	Three European species of Hypocrea with reddish brown stromata and green ascospores, Jaklitsch, W.M., Kubicek, C.P. & Druzhinina, I.S., 2008	/Fungi/Ascomycota/Sordariomycetes/Hypocreales/Hypocreaceae/Hypocrea alni/	Hypocrea alni	a stromatic pyrenomycete			stroma	Foodplant / saprobe		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder	dead	bark		Major			stroma is saprobic on dead bark
branch (dead, dry)	dead, dry branch is decayed by subepidermal stroma of Cytospora coelomycetous anamorph	Cytospora occulta	a stromatic coelomycete	Diaporthales: Valsaceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997 British Stem- and Leaf- Fungi: Coelomycetes Vol. I … Sphaeropsidales with hyaline conidia, Grove, W.B., 1935	/Fungi/Ascomycota/Sordariomycetes/Diaporthales/Valsaceae/Cytospora occulta/	Cytospora occulta	a stromatic coelomycete	subepidermal	stroma	Cytospora coelomycetous anamorph	Foodplant / saprobe		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder	dead, dry	branch				(3-4)	subepidermal stroma of Cytospora coelomycetous anamorph is saprobic on dead, dry branch
bud (vegetative)	bud (vegetative) may contain larva	Temnocerus nanus	a leafroller weevil	Coleoptera: Rhynchitidae	Orthocerous Weevils, Morris, M.G., 1990	/Animalia/Arthropoda/Insecta/Coleoptera/Rhynchitidae/Temnocerus nanus/	Temnocerus nanus	a leafroller weevil			larva	Foodplant / internal feeder			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder		bud (vegetative)					larva feeds within bud (vegetative)
cambium	cambium may contain larva	Dryocoetes alni	a bark or ambrosia beetle	Coleoptera: Curculionidae	Host Plants of British Beetles: A List of Recorded Associations, Bullock, J.A., 1992	/Animalia/Arthropoda/Insecta/Coleoptera/Curculionidae/Dryocoetes alni/	Dryocoetes alni	a bark or ambrosia beetle			larva	Foodplant / internal feeder			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder		cambium					larva feeds within cambium
cambium	cambium may contain larva	Ernoporicus fagi	a bark or ambrosia beetle	Coleoptera: Curculionidae	Host Plants of British Beetles: A List of Recorded Associations, Bullock, J.A., 1992	/Animalia/Arthropoda/Insecta/Coleoptera/Curculionidae/Ernoporicus fagi/	Ernoporicus fagi	a bark or ambrosia beetle			larva	Foodplant / internal feeder			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder		cambium		Minor			larva feeds within cambium
catkin scale (female) (live)	live catkin scale (female) is galled by ascoma	Taphrina alni	Alder Tongue	Taphrinales: Taphrinaceae	The recent article on fungus-induced galls…, Anderson, R., 2001	/Fungi/Ascomycota/Taphrinomycetes/Taphrinales/Taphrinaceae/Taphrina alni/	Taphrina alni	alder tongue			ascoma	Foodplant / gall		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder	live	catkin scale (female)		Major			ascoma causes gall of live catkin scale (female)
catkin (live)	live catkin has sap sucked by adult	Kleidocerys resedae	Birch Catkin Bug	Hemiptera: Lygaeidae	Land and Water Bugs of the British Isles, Southwood, T.R.E. & Leston, D., 1959	/Animalia/Arthropoda/Insecta/Hemiptera/Lygaeidae/Kleidocerys resedae/	Kleidocerys resedae	birch catkin bug			adult	Foodplant / sap sucker			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder	live	catkin		Major			adult sucks sap of live catkin
catkin (live)	live catkin has sap sucked by nymph	Kleidocerys resedae	Birch Catkin Bug	Hemiptera: Lygaeidae	Land and Water Bugs of the British Isles, Southwood, T.R.E. & Leston, D., 1959	/Animalia/Arthropoda/Insecta/Hemiptera/Lygaeidae/Kleidocerys resedae/	Kleidocerys resedae	birch catkin bug			nymph	Foodplant / sap sucker			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder	live	catkin		Major			nymph sucks sap of live catkin
cone (dead, fallen, decaying)	dead, fallen, decaying cone of debris is decayed by fruitbody	Mycena rhenana	Gall Bonnet	Agaricales: Mycenaceae	Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005	/Fungi/Basidiomycota/Agaricomycetes/Agaricales/Mycenaceae/Mycena rhenana/	Mycena rhenana	gall bonnet			fruitbody	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder	dead, fallen, decaying	cone	debris				fruitbody is saprobic on dead, fallen, decaying cone of debris
leaf	leaf is foodplant of adult	Cryptocephalus coryli	Hazel Pot Beetle	Coleoptera: Chrysomelidae	Atlas of the Seed and Leaf Beetles of Britain and Ireland, Cox, M.L., 2007	/Animalia/Arthropoda/Insecta/Coleoptera/Chrysomelidae/Cryptocephalus coryli/	Cryptocephalus coryli	hazel pot beetle			adult	Foodplant / feeds on			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder		leaf			Indoors, in greenhouse, captivity, culture or experimentally induced	(early 4-)5-6(-12)(early 4-)5-6(-12)	adult feeds on leaf
leaf	leaf is mined by larva	Anoplus roboris	a weevil	Coleoptera: Curculionidae	Host Plants of British Beetles: A List of Recorded Associations, Bullock, J.A., 1992 True Weevils (Part I): Family Curculionidae, subfamilies Raymondionyminae to Smicronychinae, Morris, M.G., 2002	/Animalia/Arthropoda/Insecta/Coleoptera/Curculionidae/Anoplus roboris/	Anoplus roboris	a weevil			larva	Foodplant / miner		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder		leaf		Sole			larva mines leaf
leaf	leaf is rolled by larva	Deporaus betulae	Birch Leaf-roller, Birch Leaf Roller	Coleoptera: Rhynchitidae	Host Plants of British Beetles: A List of Recorded Associations, Bullock, J.A., 1992 Orthocerous Weevils, Morris, M.G., 1990	/Animalia/Arthropoda/Insecta/Coleoptera/Rhynchitidae/Deporaus betulae/	Deporaus betulae	birch leaf-roller, birch leaf roller			larva	Foodplant / roller			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder		leaf					larva rolls leaf
leaf	leaf is grazed by larva	Monsoma pulveratum	a sawfly	Hymenoptera: Tenthredinidae	Hymenoptera: 2. Symphyta. Section (b), Benson, R.B., 1952	/Animalia/Arthropoda/Insecta/Hymenoptera/Tenthredinidae/Monsoma pulveratum/	Monsoma pulveratum	a sawfly			larva	Foodplant / open feeder			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder		leaf					larva grazes on leaf
leaf	leaf is grazed by larva	Eriocampa ovata	a sawfly	Hymenoptera: Tenthredinidae	Hymenoptera: 2. Symphyta. Section (b), Benson, R.B., 1952	/Animalia/Arthropoda/Insecta/Hymenoptera/Tenthredinidae/Eriocampa ovata/	Eriocampa ovata	a sawfly			larva	Foodplant / open feeder			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder		leaf					larva grazes on leaf
leaf	leaf is grazed by larva	Euura glutinosae	a sawfly	Hymenoptera: Tenthredinidae	Hymenoptera: 2. Symphyta. Section (c), Benson, R.B., 1958	/Animalia/Arthropoda/Insecta/Hymenoptera/Tenthredinidae/Euura glutinosae/	Euura glutinosae	a sawfly			larva	Foodplant / open feeder			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder		leaf		Sole			larva grazes on leaf
leaf	leaf is grazed by larva	Euura pavida	a sawfly	Hymenoptera: Tenthredinidae	Hymenoptera: 2. Symphyta. Section (c), Benson, R.B., 1958	/Animalia/Arthropoda/Insecta/Hymenoptera/Tenthredinidae/Euura pavida/	Euura pavida	a sawfly			larva	Foodplant / open feeder			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder		leaf					larva grazes on leaf
leaf (dead, fallen, decaying)	dead, fallen, decaying leaf of debris is decayed by fruitbody	Mycena rhenana	Gall Bonnet	Agaricales: Mycenaceae	Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005	/Fungi/Basidiomycota/Agaricomycetes/Agaricales/Mycenaceae/Mycena rhenana/	Mycena rhenana	gall bonnet			fruitbody	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder	dead, fallen, decaying	leaf	debris				fruitbody is saprobic on dead, fallen, decaying leaf of debris
leaf (dead, rotting)	dead, rotting leaf is decayed by	Cryptococcus aquaticus	a basidiomycete yeast	Tremellales: Tremellaceae	Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005	/Fungi/Basidiomycota/Tremellomycetes/Tremellales/Tremellaceae/Cryptococcus aquaticus/	Cryptococcus aquaticus	a basidiomycete yeast				Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder	dead, rotting	leaf					is saprobic on dead, rotting leaf
leaf (enlarged, thickened, blistered, rather brittle, incurved)	enlarged, thickened, blistered, rather brittle, incurved leaf of esp. sucker shoots is galled by amphigenous ascoma	Taphrina tosquinetii	Alder Wrinkle	Taphrinales: Taphrinaceae	Fungi of the South East England, Dennis, R.W.G., 1995	/Fungi/Ascomycota/Taphrinomycetes/Taphrinales/Taphrinaceae/Taphrina tosquinetii/	Taphrina tosquinetii	alder wrinkle	amphigenous		ascoma	Foodplant / gall		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder	enlarged, thickened, blistered, rather brittle, incurved	leaf	esp. sucker shoots			(6-9)	amphigenous ascoma causes gall of enlarged, thickened, blistered, rather brittle, incurved leaf of esp. sucker shoots
leaf (fallen)	fallen leaf is grazed by mobile cased larva	Cryptocephalus coryli	Hazel Pot Beetle	Coleoptera: Chrysomelidae	Atlas of the Seed and Leaf Beetles of Britain and Ireland, Cox, M.L., 2007	/Animalia/Arthropoda/Insecta/Coleoptera/Chrysomelidae/Cryptocephalus coryli/	Cryptocephalus coryli	hazel pot beetle			larva	Foodplant / mobile cased feeder			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder	fallen	leaf			Indoors, in greenhouse, captivity, culture or experimentally induced		larva grazes in mobile case on fallen leaf
leaf (live, curled)	live, curled leaf is parasitised by hypophyllous ascoma	Taphrina sadebeckii	a tongue fungus	Taphrinales: Taphrinaceae	Fungi of the South East England, Dennis, R.W.G., 1995	/Fungi/Ascomycota/Taphrinomycetes/Taphrinales/Taphrinaceae/Taphrina sadebeckii/	Taphrina sadebeckii	a tongue fungus	hypophyllous		ascoma	Foodplant / parasite		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder	live, curled	leaf					hypophyllous ascoma parasitises live, curled leaf
leaf (live)	live leaf is grazed by web-dwelling communal caterpillar	Malacosoma neustria	The Lackey	Lepidoptera: Lasiocampidae	Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998	/Animalia/Arthropoda/Insecta/Lepidoptera/Lasiocampidae/Malacosoma neustria/	Malacosoma neustria	the lackey	communal		caterpillar	Foodplant / web feeder			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder	live	leaf					communal caterpillar feeds from web on live leaf
leaf (live)	live leaf is spotted by hypophyllous, effuse colony of Passalora dematiaceous anamorph	Passalora bacilligera	a dematiaceous anamorphic fungus	Capnodiales: Mycosphaerellaceae	Fungi of the South East England, Dennis, R.W.G., 1995 Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Dothideomycetes/Capnodiales/Mycosphaerellaceae/Passalora bacilligera/	Passalora bacilligera	a dematiaceous anamorphic fungus	hypophyllous, effuse	colony	Passalora dematiaceous anamorph	Foodplant / spot causer		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder	live	leaf		Sole			hypophyllous, effuse colony of Passalora dematiaceous anamorph causes spots on live leaf
leaf (live)	live leaf is spotted by amphigenous colony of Ramularia hyphomycetous anamorph	Ramularia alnicola var alnicola	an anamorphic ascomycete	Capnodiales: Mycosphaerellaceae	Monograph of Cercosporella, Ramularia and Allied Genera - Vol II, Braun, U., 1998	/Fungi/Ascomycota/Dothideomycetes/Capnodiales/Mycosphaerellaceae/Ramularia alnicola var. alnicola/	Ramularia alnicola var. alnicola	an anamorphic ascomycete	amphigenous	colony	Ramularia hyphomycetous anamorph	Foodplant / spot causer		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder	live	leaf					amphigenous colony of Ramularia hyphomycetous anamorph causes spots on live leaf
leaf (live)	live leaf is spotted by epiphyllous, scattered, semi-immersed, minute, black pycnidium of Septoria coelomycetous anamorph	Septoria alnicola	a leaf-spot fungus	Capnodiales: Mycosphaerellaceae	British Stem- and Leaf- Fungi: Coelomycetes Vol. I … Sphaeropsidales with hyaline conidia, Grove, W.B., 1935	/Fungi/Ascomycota/Dothideomycetes/Capnodiales/Mycosphaerellaceae/Septoria alnicola/	Septoria alnicola	a leaf-spot fungus	epiphyllous, scattered, semi-immersed, minute, black	pycnidium	Septoria coelomycetous anamorph	Foodplant / spot causer		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder	live	leaf				(10)	epiphyllous, scattered, semi-immersed, minute, black pycnidium of Septoria coelomycetous anamorph causes spots on live leaf
leaf (live)	live leaf is parasitised by hypophyllous	Phyllactinia alnicola	Alder Mildew, Alder Powdery Mildew	Erysiphales: Erysiphaceae	The Powdery Mildews (Erysiphales) of Wales: An Identification Guide and Census Catalogue, Chater, A.O. & Woods, R.G., 2019	/Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Phyllactinia alnicola/	Phyllactinia alnicola	alder mildew, alder powdery mildew	hypophyllous			Foodplant / parasite		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder	live	leaf					hypophyllous parasitises live leaf
leaf (live)	live leaf is parasitised by hypophyllous, subepidermal telium	Melampsoridium betulinum	Birch Rust	Pucciniales: Pucciniastraceae	Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005	/Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Pucciniastraceae/Melampsoridium betulinum/	Melampsoridium betulinum	birch rust	hypophyllous, subepidermal		telium	Foodplant / parasite			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder	live	leaf		Xenophagous			hypophyllous, subepidermal telium parasitises live leaf
leaf (live)	live leaf is parasitised by hypophyllous uredium	Melampsoridium betulinum	Birch Rust	Pucciniales: Pucciniastraceae	Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005	/Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Pucciniastraceae/Melampsoridium betulinum/	Melampsoridium betulinum	birch rust	hypophyllous		uredium	Foodplant / parasite			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder	live	leaf		Xenophagous		(8-10)	hypophyllous uredium parasitises live leaf
leaf (live)	live leaf is parasitised by hypophyllous, subepidermal, scattered or in groups telium	Melampsoridium hiratsukanum	Alder Rust	Pucciniales: Pucciniastraceae	Differentiating characteristics between Melampsoridium rusts infecting birch and alder leaves, Kurkela, T., Hanso, M & Hantula, J., 1999 Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005 British Rust Fungi, Wilson, M., & Henderson, D., 1966	/Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Pucciniastraceae/Melampsoridium hiratsukanum/	Melampsoridium hiratsukanum	alder rust	hypophyllous, subepidermal, scattered or in groups		telium	Foodplant / parasite			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder	live	leaf					hypophyllous, subepidermal, scattered or in groups telium parasitises live leaf
leaf (live)	live leaf is spotted by hypophyllous, subepidermal, scattered or in groups uredium	Melampsoridium hiratsukanum	Alder Rust	Pucciniales: Pucciniastraceae	First record of Melampsoridium hiratsukanum on alder in Norway, Gjaerum, H.B., Lye, K.A. & Solheim, H., 2004 Differentiating characteristics between Melampsoridium rusts infecting birch and alder leaves, Kurkela, T., Hanso, M & Hantula, J., 1999 Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005 First report of Melampsoridium hiratsukanum on common alder in Hungary, Szabó, I., 2002 British Rust Fungi, Wilson, M., & Henderson, D., 1966	/Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Pucciniastraceae/Melampsoridium hiratsukanum/	Melampsoridium hiratsukanum	alder rust	hypophyllous, subepidermal, scattered or in groups		uredium	Foodplant / spot causer			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder	live	leaf					hypophyllous, subepidermal, scattered or in groups uredium causes spots on live leaf
leaf (small, yellow, prematurely falling)	small, yellow, prematurely falling leaf may be infected and damaged by	Phytophthora alni sensu Brasier et al, 2004	Alder Blight	Peronosporales: Peronosporaceae	Phytophthora Disease of Alder, Webber, J., Gibbs, J. & Hendry, S., 2004	/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Phytophthora alni sensu Brasier et al, 2004/	Phytophthora alni sensu Brasier et al, 2004	alder blight				Foodplant / pathogen			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder	small, yellow, prematurely falling	leaf		Major			infects and damages small, yellow, prematurely falling leaf
root (live)	live root is ectomycorrhizal host of fruitbody	Gyrodon lividus	Alder Bolete	Boletales: Paxillaceae	Boletes and their allies, Watling, R., Hills, A.E, & Turnbull, E., 2005	/Fungi/Basidiomycota/Agaricomycetes/Boletales/Paxillaceae/Gyrodon lividus/	Gyrodon lividus	alder bolete			fruitbody	Foodplant / mycorrhiza / ectomycorrhiza			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder	live	root					fruitbody is ectomycorrhizal with live root
root (live)	live root is ectomycorrhizal host of fruitbody	Paxillus rubicundulus	Alder Rollrim	Boletales: Paxillaceae	Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005 Boletes and their allies, Watling, R., Hills, A.E, & Turnbull, E., 2005	/Fungi/Basidiomycota/Agaricomycetes/Boletales/Paxillaceae/Paxillus rubicundulus/	Paxillus rubicundulus	alder rollrim			fruitbody	Foodplant / mycorrhiza / ectomycorrhiza		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder	live	root					fruitbody is ectomycorrhizal with live root
root (live)	live root is ectomycorrhizal host of fruitbody	Lactarius lilacinus	Lilac Milkcap	Russulales: Russulaceae	Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005	/Fungi/Basidiomycota/Agaricomycetes/Russulales/Russulaceae/Lactarius lilacinus/	Lactarius lilacinus	lilac milkcap			fruitbody	Foodplant / mycorrhiza / ectomycorrhiza	Relationship uncertain		/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder	live	root		Sole			fruitbody is ectomycorrhizal with live root
shoot (young) (live, distorted)	live, distorted shoot (young) of esp. sucker shoots is galled by amphigenous ascoma	Taphrina tosquinetii	Alder Wrinkle	Taphrinales: Taphrinaceae	Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998 Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Taphrinomycetes/Taphrinales/Taphrinaceae/Taphrina tosquinetii/	Taphrina tosquinetii	alder wrinkle	amphigenous		ascoma	Foodplant / gall			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder	live, distorted	shoot (young)	esp. sucker shoots	Major		(6-9)	amphigenous ascoma causes gall of live, distorted shoot (young) of esp. sucker shoots
stem (live)	live stem has sap sucked by	Pulvinaria vitis	Woolly Vine Scale Insect, Woolly Currant Scale Insect	Hemiptera: Coccidae	Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998	/Animalia/Arthropoda/Insecta/Hemiptera/Coccidae/Pulvinaria vitis/	Pulvinaria vitis	woolly vine scale insect, woolly currant scale insect				Foodplant / sap sucker			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder	live	stem				(5-6)	sucks sap of live stem
stem (live)	live stem has sap sucked by	Chionaspis salicis	Willow Scale	Hemiptera: Diaspididae	Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998	/Animalia/Arthropoda/Insecta/Hemiptera/Diaspididae/Chionaspis salicis/	Chionaspis salicis	willow scale				Foodplant / sap sucker			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder	live	stem					sucks sap of live stem
trunk	trunk is decayed by fruitbody	Mensularia radiata	Alder Bracket	Hymenochaetales: Hymenochaetaceae	Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998	/Fungi/Basidiomycota/Agaricomycetes/Hymenochaetales/Hymenochaetaceae/Mensularia radiata/	Mensularia radiata	alder bracket			fruitbody	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder		trunk		Major			fruitbody is saprobic on trunk
trunk (fallen)	fallen trunk is decayed by fruitbody	Ceraceomyces borealis	a resupinate fungus	Amylocorticiales: Amylocorticiaceae	Profiles of Fungi No. 139: Ceraceomyces borealis (Romell) J. Erikss. & Ryvarden …, Legon, N.W., 2005	/Fungi/Basidiomycota/Agaricomycetes/Amylocorticiales/Amylocorticiaceae/Ceraceomyces borealis/	Ceraceomyces borealis	a resupinate fungus			fruitbody	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder	fallen	trunk					fruitbody is saprobic on fallen trunk
trunk (live)	live trunk is parasitised by fruitbody	Phellinus alni	(A Bracket Fungus)	Hymenochaetales: Hymenochaetaceae	Phellinus igniarius and its closest relatives in Europe, Fischer, M., 1995	/Fungi/Basidiomycota/Agaricomycetes/Hymenochaetales/Hymenochaetaceae/Phellinus alni/	Phellinus alni	(a bracket fungus)			fruitbody	Foodplant / parasite		Foreign	/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder	live	trunk					fruitbody parasitises live trunk
trunk (tarry spotted)	tarry spotted trunk may be infected and damaged by	Phytophthora alni sensu Brasier et al, 2004	Alder Blight	Peronosporales: Peronosporaceae	Phytophthora Disease of Alder, Webber, J., Gibbs, J. & Hendry, S., 2004	/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Phytophthora alni sensu Brasier et al, 2004/	Phytophthora alni sensu Brasier et al, 2004	alder blight				Foodplant / pathogen			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder	tarry spotted	trunk		Major			infects and damages tarry spotted trunk
twig (1-2 years old)	twig (1-2 years old) is galled by egg	Blepharidopterus angulatus	Black-kneed Apple Capsid	Hemiptera: Miridae	Land and Water Bugs of the British Isles, Southwood, T.R.E. & Leston, D., 1959	/Animalia/Arthropoda/Insecta/Hemiptera/Miridae/Blepharidopterus angulatus/	Blepharidopterus angulatus	black-kneed apple capsid			egg	Foodplant / gall		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder		twig (1-2 years old)					egg causes gall of twig (1-2 years old)
twig (corticate (thin))	corticate (thin) twig is decayed by stroma	Hypocrea alni	a stromatic pyrenomycete	Hypocreales: Hypocreaceae	Three European species of Hypocrea with reddish brown stromata and green ascospores, Jaklitsch, W.M., Kubicek, C.P. & Druzhinina, I.S., 2008	/Fungi/Ascomycota/Sordariomycetes/Hypocreales/Hypocreaceae/Hypocrea alni/	Hypocrea alni	a stromatic pyrenomycete			stroma	Foodplant / saprobe		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder	corticate (thin)	twig		Major			stroma is saprobic on corticate (thin) twig
twig (dead, dry)	dead, dry twig is decayed by scattered or gregarious, erumpent through a short slit pycnidium of Phomopsis coelomycetous anamorph	Diaporthe alnea	a valsoid pyrenomycete	Diaporthales: Diaporthaceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997 British Stem- and Leaf- Fungi: Coelomycetes Vol. I … Sphaeropsidales with hyaline conidia, Grove, W.B., 1935	/Fungi/Ascomycota/Sordariomycetes/Diaporthales/Diaporthaceae/Diaporthe alnea/	Diaporthe alnea	a valsoid pyrenomycete	scattered or gregarious, erumpent through a short slit	pycnidium	Phomopsis coelomycetous anamorph	Foodplant / saprobe		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder	dead, dry	twig				(5-6)	scattered or gregarious, erumpent through a short slit pycnidium of Phomopsis coelomycetous anamorph is saprobic on dead, dry twig
twig (dead, fallen, decaying)	dead, fallen, decaying twig of debris is decayed by fruitbody	Mycena rhenana	Gall Bonnet	Agaricales: Mycenaceae	Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005	/Fungi/Basidiomycota/Agaricomycetes/Agaricales/Mycenaceae/Mycena rhenana/	Mycena rhenana	gall bonnet			fruitbody	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder	dead, fallen, decaying	twig	debris				fruitbody is saprobic on dead, fallen, decaying twig of debris
twig (live, with white wax tufts)	live, with white wax tufts twig has sap sucked by nymph	Psylla alni s.l.	alder psyllid	Hemiptera: Psyllidae	Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998	/Animalia/Arthropoda/Insecta/Hemiptera/Psyllidae/Psylla alni s.l./	Psylla alni s.l.	alder psyllid			nymph	Foodplant / sap sucker			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder	live, with white wax tufts	twig				(late 5-)	nymph sucks sap of live, with white wax tufts twig
wood	wood is decayed by superficial stroma	Daldinia petriniae	Alder Cramp-ball	Xylariales: Xylariaceae	Secondary metabolite profiles, genetic fingerprints and taxonomy of Daldinia and allies, Stadler, M., Wollweber, H., Mühlbauer, A., Henkel, T., Asakawa, Y., Hashimoto, T, 2001	/Fungi/Ascomycota/Sordariomycetes/Xylariales/Xylariaceae/Daldinia petriniae/	Daldinia petriniae	alder cramp-ball	superficial		stroma	Foodplant / saprobe		Foreign	/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder		wood		Major			superficial stroma is saprobic on wood
wood (dead)	dead wood is decayed by stroma	Hypocrea alni	a stromatic pyrenomycete	Hypocreales: Hypocreaceae	Three European species of Hypocrea with reddish brown stromata and green ascospores, Jaklitsch, W.M., Kubicek, C.P. & Druzhinina, I.S., 2008	/Fungi/Ascomycota/Sordariomycetes/Hypocreales/Hypocreaceae/Hypocrea alni/	Hypocrea alni	a stromatic pyrenomycete			stroma	Foodplant / saprobe		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder	dead	wood		Major			stroma is saprobic on dead wood
wood (sodden, decaying)	sodden, decaying wood is decayed by superficial, granular Aegerita anamorph	Bulbillomyces farinosus	Couscous Crust	Polyporales: Meruliaceae	Profiles of Fungi No. 140: Bulbillomyces farinosus (Bres.) Julich, Legon, N.W., 2006	/Fungi/Basidiomycota/Agaricomycetes/Polyporales/Meruliaceae/Bulbillomyces farinosus/	Bulbillomyces farinosus	couscous crust	superficial, granular		Aegerita anamorph	Foodplant / saprobe		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder	sodden, decaying	wood					superficial, granular Aegerita anamorph is saprobic on sodden, decaying wood
wood (sodden, decaying)	sodden, decaying wood is decayed by effused fruitbody	Bulbillomyces farinosus	Couscous Crust	Polyporales: Meruliaceae	Profiles of Fungi No. 140: Bulbillomyces farinosus (Bres.) Julich, Legon, N.W., 2006	/Fungi/Basidiomycota/Agaricomycetes/Polyporales/Meruliaceae/Bulbillomyces farinosus/	Bulbillomyces farinosus	couscous crust	effused		fruitbody	Foodplant / saprobe		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus glutinosa/	Alnus glutinosa	alder	sodden, decaying	wood					effused fruitbody is saprobic on sodden, decaying wood

Species	Alnus glutinosa (Alder)
Genus	Alnus (alders)
Family	BETULACEAE (birches, hazels, hornbeams and alders)
Order	FAGALES (forest trees)
Subclass	EU-DICOTS (dicotyledonous flowering plants)
Class	MAGNOLIOPSIDA (flowering plants)
Phylum	TRACHEOPHYTA (vascular plants)
Kingdom	PLANTAE (plants)
Domain	Eukaryota (eukaryotes)
Life	BIOTA (living things)

Handling & Magnification	Author	Year	Title	Source
Plant Pathology
	Ingold, C.T.	1942	Aquatic hyphomycetes of decaying Alder leaves	TBMS Vol 25(4): 339-417, 6 Plates.

Author	Year	Title	Source
Plant Pathology
Goncalves, A.L. Graca, M.A.S. & Canhoto, C.	2013	The effect of temperature on leaf decomposition and diversity of associated aquatic hyphomycetes depends on the substrate	FungEcol Vol 06 (6): 546-553.

Alnus glutinosa (L.) Gaertn.
(Alder)

Interactions where Alnus glutinosa is the victim or passive partner (and generally loses out from the process)

Taxonomic hierarchy:

Alnus glutinosa is also a member of:

Identification Works

Plant Pathology

General Works

Plant Pathology

BioInfo - Wildlife Information (UK)

Author & Year	Title	Source
Anderson, R., 1996	New British Records 134: Ciboria alni (Rostr.) Buchw. in Freesia 3: 235 (1947)	Mycologist Vol 10 (4): 134-135.
Anderson, R., 2001	The recent article on fungus-induced galls…	Field Mycology Vol 2 (1): 34.
Benson, R.B., 1952	Hymenoptera: 2. Symphyta. Section (b)	Handbooks for the Identification of British Insects , Vol VI, Part 2(b), 137pp, The Royal Entomological Society of London
Benson, R.B., 1958	Hymenoptera: 2. Symphyta. Section (c)	Handbooks for the Identification of British Insects , Vol VI, Part 2(c), 252pp, The Royal Entomological Society of London
Braun, U., 1998	Monograph of Cercosporella, Ramularia and Allied Genera - Vol II	Phytopathogenic Hyphomycetes, 2, 493pp, IHW-Verlag
Buczacki, S. & Harris, K., 1998	Pests, Diseases & Disorders of Garden Plants	Collins Photoguide, 2nd edition edition, Collins
Bullock, J.A., 1992	Host Plants of British Beetles: A List of Recorded Associations	11a, 24pp, Amateur Entomologists’ Society
Chater, A.O. & Woods, R.G., 2019	The Powdery Mildews (Erysiphales) of Wales: An Identification Guide and Census Catalogue	58pp
Cox, M.L., 2007	Atlas of the Seed and Leaf Beetles of Britain and Ireland	336pp, Pisces Publications
Dennis, R.W.G., 1995	Fungi of the South East England	383pp, Royal Botanic Gardens, Kew
Ellis, M.B. & J.P., 1997	Microfungi on Land Plants: An Identification Handbook	2nd (New Enlarged) edition, 868pp, The Richmond Publishing Co. Ltd
Fischer, M., 1995	Phellinus igniarius and its closest relatives in Europe	Mycol. Res. Vol 99 (6): 735-744.
Forest Research, 2005	Path News Issue 11: July 2005
Gjaerum, H.B., Lye, K.A. & Solheim, H., 2004	First record of Melampsoridium hiratsukanum on alder in Norway	New Disease Reports Vol 9.
Grove, W.B., 1935	British Stem- and Leaf- Fungi: Coelomycetes Vol. I … Sphaeropsidales with hyaline conidia	Vol I, 488pp, Cambridge University Press
Ing, B., 1990	An Introduction to British Powdery Mildews	Mycologist Vol 4 (1) et seq.
Jaklitsch, W.M., Kubicek, C.P. & Druzhinina, I.S., 2008	Three European species of Hypocrea with reddish brown stromata and green ascospores	Mycologia Vol 100 (5): 795-815.
John, D.M., Whitton, B.A. & Brook, A.J., 2002	The Freshwater Algal Flora of the British Isles	702pp, Cambridge University Press
Jung T. et al, 2003	Phytophthora pseudosyringae sp. nov., a new species causing root and collar rot of deciduous tree species in Europe	Mycol. Res. Vol 107 (7): 772-789.
Kurkela, T., Hanso, M & Hantula, J., 1999	Differentiating characteristics between Melampsoridium rusts infecting birch and alder leaves	Mycologia Vol 91 (6): 987-922.
Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005	Checklist of the British and Irish Basidiomycota	517pp, Royal Botanic Gardens, Kew
Legon, N.W., 2005	Profiles of Fungi No. 139: Ceraceomyces borealis (Romell) J. Erikss. & Ryvarden …	Mycologist Vol 19 (4): 167.
Legon, N.W., 2006	Profiles of Fungi No. 140: Bulbillomyces farinosus (Bres.) Julich	Mycologist Vol 20 (2): 81-82.
Moore, W.C., 1959	British Parasitic Fungi	430pp, Cambridge University Press
Morris, M.G., 1990	Orthocerous Weevils	Handbooks for the Identification of British Insects, Vol 5 Part 16, 108pp, The Royal Entomological Society of London
Morris, M.G., 2002	True Weevils (Part I): Family Curculionidae, subfamilies Raymondionyminae to Smicronychinae	Handbooks for the Identification of British Insects, Vol 5, Part 17b, 149pp, The Royal Entomological Society of London
Mound L.A., Morison, G.D., Pitkin, B.R. & Palmer, J.M., 1976	Thysanoptera	Handbooks for the Identification of British Insects, Vol 1, part 11, 79pp, The Royal Entomological Society of London
Nau, B.S., 1984	Notes on the Recording and Identification of Psallus	Het News 4.
Rotheray, G.E., 1993	Colour Guide to Hoverfly Larvae (Diptera, Syrphidae) in Britain and Europe	Diperists Digest Dipterists Digest No. 9.
Southwood, T.R.E. & Leston, D., 1959	Land and Water Bugs of the British Isles	Wayside & Woodland Series, 1959 edition, 436pp, Frederick Warne & Co. Ltd.
Stadler, M., Wollweber, H., Mühlbauer, A., Henkel, T., Asakawa, Y., Hashimoto, T, 2001	Secondary metabolite profiles, genetic fingerprints and taxonomy of Daldinia and allies	Mycotaxon 77: 379-429.
Szabó, I., 2002	First report of Melampsoridium hiratsukanum on common alder in Hungary	New Disease Reports Vol 5.
Watling, R., Hills, A.E, & Turnbull, E., 2005	Boletes and their allies	British Fungus Flora, Vol 1, Revised and enlarged edition edition, 173pp, Royal Botanic Gardens, Edinburgh
Webber, J., Gibbs, J. & Hendry, S., 2004	Phytophthora Disease of Alder	Forestry Commission Information Notes, 6, 6pp, Forestry Commission
Wilson, M., & Henderson, D., 1966	British Rust Fungi	384pp, Cambridge University Press