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resedae Birch Catkin Bug
Found throughout most of Britain, this rust-coloured bug is common on or around birch trees. The forewings are patterned and largely transparent, with the corium and clavus punctate. The clavus has three rows of punctures.
K. ericae is very similar, but slightly smaller and associated with heather on heathland. A darker form (privignus) occurs on alders, which is considered a distinct species by some authorities. This form is identified by the partly darkened clavus and uninterrupted dark streak on the hind margin of the corium, although intermediate specimens do occur.
Adults overwinter and there are several generations a year, at least in the south.
Adult: All year
Length 4.5-5.5 mm
Berks (June 2008) ©Jonathan
|Adult: Sussex (September 2007) ©Brian Valentine||Adult form 'privignus': Suffolk (July 2018) ©Rob Garrod
west London (April 2008) ©Julian
2007) ©Brian Kilford
|Nymph: Leics (August 2008) ©David Gould||Nymph: north
London (September 2008) ©Tristan Bantock