Wing length 6.5 - 8.5mm. This species is separated from the other similar species in its genus by its having a very shiny thorax and the spots on its abdomen being whitish. In the female the frons is black and shiny, not dusted as with compositarum/labiatarum.
Hedgerows and woodland edge where umbellifers can be found. The adult insects take food from the flowers and the larvae feed on aphids from the flowers and stalks.
Status and distribution
Fairly common and widespread in Britain as far north as south Yorkshire. Not particularly common in Nottinghamshire and uncommon at Netherfield Lagoons.
Best time to see
April to November.