Birch Catkin Bug - Kleidocerys resedae


Length 4.5-5.5 mm. A rust-coloured bug. The forewings are patterned and largely transparent, with the corium and clavus punctate. The clavus has three rows of punctures. 

Similar Species

K. ericae is very similar but slightly smaller and found on heathland where it is associated with heather.

Identification difficulty

On or around Birch trees.

When to see it

Adult: all year.

Life History

Adults overwinter, emerging and breeding in the early spring, when they fly and emit mating calls using a strigil found on one of the hind wing veins. Larvae occur between March and September and there are several generations a year, at least in the south.

UK Status

Common and found throughout England, Wales and southern Ireland.

VC55 Status

Very common in Leicestershire and Rutland.

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Leicestershire & Rutland Map


Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map