Bibio leucopterus

Bibio leucopterus

Observation - Bibio leucopterus - UK and Ireland. Description: There were 5 species of Bibio flying in the sun, this morning...marci, johannis, lanigerus, nigriventris and leucopterus. leucopterus was far the commonest today. The pictures show the two front tibial spines, which are more or less the same length, a

There were 5 species of Bibio flying in the sun, this morning...marci, johannis, lanigerus, nigriventris and leucopterus.

leucopterus was far the commonest today. The pictures show the two front tibial spines, which are more or less the same length, and the wholly black body. The biggest giveaway is the milky wings of the male.