Thaumatomyia notata
Description
A very tiny (2.5 mm) yellow fly with dark stripes on the thorax. Note this is a tentative identification. Other chloropids, e.g. Chlorops pumilionis have similar markings on head and thorax and for this reason the image is placed in a red box.
Identification difficulty
Habitat
Mainly in flower meadows but sometimes it enters homes in large numbers and for this reason has been nicknamed Yellow Swarming Fly.
When to see it
Spring and summer.
Life History
Larvae predaceous on aphids.
UK Status
Widespread in England and Wales, but difficulties of species identification means that true status is uncertain.
VC55 Status
Status in Leicestershire and Rutland is not known.
Graham Calow
Sapcote
03 June 2011
AJ Cann
Knighton
17 June 2016
Leicestershire & Rutland Map
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MAP KEY:
Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015