Freeloader Flies (Milichiidae) - 24 Species, Identification & Facts

Aldrichiomyza agromyzina

Identification: Costa ending at R4+5, arista with dense hair, proboscis long, thin, and jointed.

Leptometopa halteralis

Identification: Shiny black. The other North American species of Leptometopa is comparatively dull.

Milichiella arcuata

Identification: Thorax shining black. Veins R4+5 and M convergent at wingtip. Male with most of top of abdomen silvery.

Milichiella bisignata

Identification: Mostly shining black. Male with a prominent silver spot on each side of the second segment of the abdomen.

Paramyia nitens

Identification: Distinctive for the genus (with only one species in N-America) are the shortened costa (ends at vein R4+5), long palpi, long R2+3. The ocellar triangle is shining as in many chloropids. However, most chloropids have the costa long (re

Paramyia pseudonitens

Identification: Distinguished from most other Paramyia by the contrasting color of the two segments of the proboscis, dark before the joint and pale after.