Genus Atissa

Atissa nr. suturalis – the fly here agrees with that species, ie possessing a strong pair of sutural dorsocentral bristles (not typical of the genus), but differs possibly by the arrangement of the acrostichal bristles between the dorsocentrals.
Late January 2020
Peter Murrell Reserve, Huntingfield
On bark debris next to a pond. Body length around 1.5mm.