Cheshire Dragonflies & Damselflies: http://www.brocross.com/dfly/dfspec.htm
A well-organised site on dragonflies with good large photographs of many species. Also gives flight season profiles.
||Covers the 27 species known or previously known from Cheshire, so many of the more southerly or northerly species are not featured.
||In the field (also useful to examine with Binoculars).