Synergus gallaepomiformis

Length 1.5-3.5mm. Head black, except lower face which usually yellow to orange red or red; mesosoma black, antenna and legs entirely yellow or yellow-red. Metasoma black dorsally and brown laterally. Wing veins distinct, brown. Body with sparse white setae. Usually specimens emerging in spring, summer and autumn from first year galls have face red-ish, antenna and legs yellow to orange; specimens emerging in spring from asexual galls of previous year are darker, face black, antenna and legs dark. 

Unless identified by a recognised expert, a photo is required and the specimen should be examined with a microscope. In the comments box, state the key or ID method used and describe the size and identifying characters.

Adults Spring-Autumn. 

Inquiline of Cynipidae in 45 different Oak galls. Bivoltine (two generations per year), occasionally with a third partial generation. 

Common and widespread but under recorded due to identification difficulty.

Under recorded due to identification difficulty.

Melika, G. (2006) Gall Wasps of Ukraine. Cynipidae. Vol. 1. Schmalhausen Institute of Zoology. ISSN 0084-5604