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Issus coleoptratus
Family: Issidae

 A very distinctive species that is fairly common in England, especially in the southeast, but rarer in Scotland and Wales. It is found on a range of woody plants, including most common deciduous trees.

The huge number of cross-veins in the wings is very characteristic; there is only one similar species, I. muscaeformis, but this is much rarer.

Adult: June to November
Length 3-4 mm
 Issus coleoptratus
Adult: Berks (September 2008) ©Jonathan Michaelson
Issus coleoptratus Issus coleoptratus nymph
Adult: north London (November 2008) ©Laurence Counter Mid-instar nymph: west London (March 2008) ©Julian Oliver
Issus coleoptratus Issus coleoptratus female
Adult: north London (November 2008) ©Laurence Counter

 Larval stages and adult: Surrey (April 2008) ©Ashley Wood