Thaumatomyia glabra

A small (c2.2mm) black and yellow fly with broad, glossy stripes on the top of the thorax and a bright yellow scutellum. The thorax and scutellum are largely lacking hairs/bristles. The black patch on the back of the head (occiput) extends to the eye margin. See the ID Aids and ID checklist below for more on the key ID characters.

Other black and yellow Chloropid flies.

• c2.2mm
• yellow with glossy broad black stripes on the thorax and on the dorsal surface of the abdomen
• frontal triangle glossy extending to the front of the frons, bordered by a row of fine hairs (hard to see) and with a groove at each side
• scutellum bare and all yellow, with tiny side bristles and two prominent apical bristles
• occiput (back of the head) with the black patch extending to the eye margins
• gena as broad, or broader, than the 3rd antennal segment

Good images needed that show the ID features.

Found in a variety of habitats, particularly wood margins, arable fields, gardens and waste ground.

May - September

Common and widespread.

Appears uncommon but most probably under-recorded.