Length 3-5.4 mm. Cacopsylla is a large and difficult genus which requires microscopic scrutiny of the male genitalia for accurate identification. According to Joe Botting of British Bugs this is either Cacopsylla melanoneura or Cacopsylla affinis.
Cacopsylla affinis is locally common on Birch and Hawthorn across the UK, where as Cacopsylla melanoneura is very common on Hawthorn and widespread. Both species are native to Britain.
Class Insecta (Insects)
Order Hemiptera (True Bugs)
Family Psyllidae (Jumping Plant Lice)
Genus Cacopsylla Ossiannilsson, 1970
Photos: Found on Hawthorn, back garden, South Staffordshire. 3rd June 2021. © Peter Hillman