With over 15,000 described species, the family Tipulidae (crane flies) is one of the largest families of true flies (Diptera). More than 1,600 species occur in North America. The subfamily Tipulinae (large crane flies) contains the largest of the crane flies. In North America, the vast majority of species are in the genera Tipula and Nephrotoma. The genus Nephrotoma (tiger crane flies) contains about 150 described species. The most common of these is ferruginous tiger crane fly (Nephrotoma ferruginea).

“Ferruginous” means reddish-brown or rust colored, but ferruginous tiger crane fly is more often described as orange in color. It is distinguished from other crane flies by the body color, the antennae that are entirely black except for the first two segments, and by a black spot at each end of a groove across the thorax.

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