Bibio longipes

Long-footed March Fly

Bibio longipes, a fall species of March Fly, family Bibionidae


Family: Bibionidae

Subfamily: Bibioninae

Tribe: Bibionini


Photo notes: Above:  a male, Upshur County, West Virginia.  Despite the family's common name of March flies, this species is more common in fall, and was photographed in November.

Middle photo:  same time and place.  Bibio longipes has pale-colored hairs.  Note the division of the eye into an upper lobe and a lower lobe, typical of male March Flies.

Lower photo:  An apical spur on the foretibia (variously shaped) is present in members of the genus Bibio.

An autumn March Fly, Bibio longipes, lateral view

Apical spur of foretibia, Bibio, Bibionidae

American Insects site