Length 4-6mm. Abdomen with light grey markings viewed from above/behind.

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.

Grassland, scrub and woodland margins.

May to September

Phasia obesa is a parasite of Heteropteran bugs.

Widespread in the southern half of Britain.

Status in Leicestershire and Rutland not known.