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Chamaepsylla hartigii
Family: Psyllidae

 A relatively distinctive species that is closely related to the very difficult Cacopsylla species. The yellow colouring of the body and wings, often with paler genal cones and pronotum, is almost sufficient for recognition. The female terminalia are also extremely long, and easily recognisable.

Common and widespread on birches across the UK.
Adult: May-August
Length 3 mm
 Psylla hartigi
Adult: Portsmouth (May 2008) ©Alby Oakshott
Chamaepsylla hartigii Psylla hartigi
Adult: Huddersfield (June 2008) ©Joe Botting Adult: Portsmouth (May 2008) ©Alby Oakshott