Euplectrus bicolor

Length 2-3mm. Antenna with scape yellowish-brown with dorsal edge pale brown, pedicel and flagellomeres 1+2 yellowish-brown, flagellomeres 3–6 pale brown. Head black and shiny, lower face with median part yellowish-brown reaching laterally to level of outer edge of toruli. Vertex smooth and shiny. Reticulation on posterior part of scutellum with elongate meshes, appearing striate. Legs yellowish-brown. Forewing costal cell with two rows of setae on ventral surface, and margin with four setae close to marginal vein. Gaster dark brown with a yellowish-brown spot in anterior part. 

Unless identified by a recognized expert, explain how the specimen was identified and include photos of key features.

All year. 

All host records are from Lepidoptera caterpillars and the dominant host groups are Geometridae and Noctuidae. 

Widespread. 

Unknown.

Hansson, C., & Schmidt, S. (2018). Revision of the European species of Euplectrus Westwood (Hymenoptera, Eulophidae), with a key to European species of Euplectrini. Journal of Hymenoptera Research, 67, 1-35.