Round-keeled Rhyzobius

Rhyzobius chrysomeloides


Over all length 2.5 to 3.5mm. Very variable. The background colour is pale to dark brown with a variable pattern of darker markings.


Normally found on trees where the adults and their larvae feed on aphids.

Status and distribution

First found in Britain in 1996, it is rapidly spreading northwards and westwards and can be locally common. Fairly common in Nottinghamshire and recently discovered at Netherfield Lagoons.

Best time to see

All year.