Oulema obscura (Stephens, 1831)
(a leaf beetle)

Interactions where Oulema obscura is the controlling partner and gains from the process

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

Stage		Summary			Taxon	Vernacular	Classification	References	Darwin Classification of Active Taxon	Active Taxon	Active Vernacular	Active Taxon Uncertain	Active State	Active Part	Active Stage	Relationship	Relationship Uncertain	Relationship Geography	Darwin Classification of Passive Taxon	Passive Taxon	Passive Vernacular	Passive Taxon Uncertain	Passive State	Passive Part	Passive Stage	Passive Taxon's significance to Active Taxon	Indoors etc	Season
adult		adult may be found on			Cirsium arvense	Creeping Thistle	Asterales: Asteraceae	Atlas of the Seed and Leaf Beetles of Britain and Ireland, Cox, M.L., 2007	/Animalia/Arthropoda/Insecta/Coleoptera/Chrysomelidae/Oulema obscura/	Oulema obscura	a leaf beetle				adult	Plant / resting place / on			/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Cirsium arvense/	Cirsium arvense	creeping thistle							(7-)
adult		adult may be found on			Ulex	gorses	Fabales: Fabaceae	Atlas of the Seed and Leaf Beetles of Britain and Ireland, Cox, M.L., 2007	/Animalia/Arthropoda/Insecta/Coleoptera/Chrysomelidae/Oulema obscura/	Oulema obscura	a leaf beetle				adult	Plant / resting place / on			/Plantae/Tracheophyta/Magnoliopsida/Fabales/Fabaceae/Ulex/	Ulex	gorses							(7-)
adult		adult may be found on			Quercus	oaks	Fagales: Fagaceae	Atlas of the Seed and Leaf Beetles of Britain and Ireland, Cox, M.L., 2007	/Animalia/Arthropoda/Insecta/Coleoptera/Chrysomelidae/Oulema obscura/	Oulema obscura	a leaf beetle				adult	Plant / resting place / on			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Fagaceae/Quercus/	Quercus	oaks							(7-)
adult		adult may be found on			Populus	poplars	Malpighiales: Salicaceae	Atlas of the Seed and Leaf Beetles of Britain and Ireland, Cox, M.L., 2007	/Animalia/Arthropoda/Insecta/Coleoptera/Chrysomelidae/Oulema obscura/	Oulema obscura	a leaf beetle				adult	Plant / resting place / on			/Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Salicaceae/Populus/	Populus	poplars							(7-)
adult		adult may be found on			Salix	willows	Malpighiales: Salicaceae	Atlas of the Seed and Leaf Beetles of Britain and Ireland, Cox, M.L., 2007	/Animalia/Arthropoda/Insecta/Coleoptera/Chrysomelidae/Oulema obscura/	Oulema obscura	a leaf beetle				adult	Plant / resting place / on			/Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Salicaceae/Salix/	Salix	willows							(7-)
adult		adult may be found on			Ranunculus	buttercups and crowfoots	Ranunculales: Ranunculaceae	Atlas of the Seed and Leaf Beetles of Britain and Ireland, Cox, M.L., 2007	/Animalia/Arthropoda/Insecta/Coleoptera/Chrysomelidae/Oulema obscura/	Oulema obscura	a leaf beetle				adult	Plant / resting place / on			/Plantae/Tracheophyta/Magnoliopsida/Ranunculales/Ranunculaceae/Ranunculus/	Ranunculus	buttercups and crowfoots							(7-)
adult		adult may be found on			Prunus spinosa	Blackthorn, Sloe	Rosales: Rosaceae	Atlas of the Seed and Leaf Beetles of Britain and Ireland, Cox, M.L., 2007	/Animalia/Arthropoda/Insecta/Coleoptera/Chrysomelidae/Oulema obscura/	Oulema obscura	a leaf beetle				adult	Plant / resting place / on			/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Prunus spinosa/	Prunus spinosa	blackthorn, sloe							(7-)
adult		adult feeds on leaf			POACEAE	grasses, couch	Poales	Atlas of the Seed and Leaf Beetles of Britain and Ireland, Cox, M.L., 2007	/Animalia/Arthropoda/Insecta/Coleoptera/Chrysomelidae/Oulema obscura/	Oulema obscura	a leaf beetle				adult	Foodplant / feeds on			/Plantae/Tracheophyta/Magnoliopsida/Poales/Poaceae/	Poaceae	grasses, couch			leaf
larva		larva feeds on leaf			POACEAE	grasses, couch	Poales	Atlas of the Seed and Leaf Beetles of Britain and Ireland, Cox, M.L., 2007	/Animalia/Arthropoda/Insecta/Coleoptera/Chrysomelidae/Oulema obscura/	Oulema obscura	a leaf beetle				larva	Foodplant / feeds on			/Plantae/Tracheophyta/Magnoliopsida/Poales/Poaceae/	Poaceae	grasses, couch			leaf
adult		adult feeds on leaf			Glyceria fluitans	Floating Sweet-grass	Poales: Poaceae	Atlas of the Seed and Leaf Beetles of Britain and Ireland, Cox, M.L., 2007	/Animalia/Arthropoda/Insecta/Coleoptera/Chrysomelidae/Oulema obscura/	Oulema obscura	a leaf beetle				adult	Foodplant / feeds on			/Plantae/Tracheophyta/Magnoliopsida/Poales/Poaceae/Glyceria fluitans/	Glyceria fluitans	floating sweet-grass			leaf

Oulema obscura (a leaf beetle) may also be included in 'feeds on' relations listed under the following higher taxa:

COLEOPTERA
(beetles)

INSECTA
(true insects)

Oulema obscura (a leaf beetle) may be included in 'fed on by' relations listed under the following higher taxa:

CHRYSOMELIDAE
(leaf and flea beetles)

COLEOPTERA
(beetles)

INSECTA
(true insects)

HEXAPODA
(insects and other 6-legged organisms)

ARTHROPODA
(arthropods)

ANIMALIA
(animals)

Invertebrates
(Invertebrates)

Author & Year	Title	Source
Cox, M.L., 2007	Atlas of the Seed and Leaf Beetles of Britain and Ireland	336pp, Pisces Publications

Taxonomic hierarchy:

Species	Oulema obscura (a leaf beetle)
Genus	Oulema (a genus of leaf beetles)
Subfamily	CRIOCERINAE (a subfamily of leaf beetles)
Family	CHRYSOMELIDAE (leaf and flea beetles)
Superfamily	CHRYSOMELOIDEA (leaf, longhorn and seed beetles)
Order	COLEOPTERA (beetles)
Division	Endopterygota (bees, beetles, flies, moths and other insects with wings developing internally)
Infraclass	Neoptera (bees, beetles, flies, grasshoppers, moths and other advanced insects)
Subclass	PTERYGOTA (bees, beetles, dragonflies, flies, grasshoppers, moths and other winged insects)
Class	INSECTA (true insects)
Subphylum	HEXAPODA (insects and other 6-legged organisms)
Phylum	ARTHROPODA (arthropods)
Superphylum	ECDYSOZOA (skin shedders)
Clade	Bilateria (bilaterally symmetrical animals)
Subkingdom	EUMETAZOA (metazoans)
Kingdom	ANIMALIA (animals)
Domain	Eukaryota (eukaryotes)
Life	BIOTA (living things)

Oulema obscura is also a member of:
water beetles - water beetles (via Chrysomelidae)
Invertebrates - Invertebrates (via Arthropoda)

NBN

NBN (data.nbn.org.uk) has a distribution map for Oulema obscura (a leaf beetle)

Identification Works

	Author	Year	Title	Source
	Hodges, D. & Murray, D.		WCG - website of the Watford Coleoptera Group	thewcg.org.uk/

Oulema obscura (a leaf beetle) may also be included in identification literature listed under the following higher taxa:

CRIOCERINAE
(a subfamily of leaf beetles)

CHRYSOMELIDAE
(leaf and flea beetles)

COLEOPTERA
(beetles)

INSECTA
(true insects)

HEXAPODA
(insects and other 6-legged organisms)

ARTHROPODA
(arthropods)

ANIMALIA
(animals)

Eukaryota
(eukaryotes)

BIOTA
(living things)

water beetles
(water beetles)

Literature listed under the following higher taxa may be relevant to Oulema obscura (a leaf beetle):

CRIOCERINAE
(a subfamily of leaf beetles)

CHRYSOMELIDAE
(leaf and flea beetles)

COLEOPTERA
(beetles)

PTERYGOTA
(bees, beetles, dragonflies, flies, grasshoppers, moths and other winged insects)

INSECTA
(true insects)

HEXAPODA
(insects and other 6-legged organisms)

ARTHROPODA
(arthropods)

EUMETAZOA
(metazoans)

ANIMALIA
(animals)

Eukaryota
(eukaryotes)

BIOTA
(living things)

water beetles
(water beetles)

Invertebrates
(Invertebrates)

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