Bibio filata, _Fabr. Mant. Ins._ 2. 328. 1. (1787.) _Syst. Antl._ 60. 1.
(Mydas f.) _Weidemann Aussereur. Zweifl. Ins._ 1. 240. 3. _tab._ 11.
_fig._ 3. _Ditto in Nova Acta Nat. Curios. vol._ 5. _p._ 2. _pl._ 53.
_fig._ 8.
Nemotelus asiloides, _De Geer Mem. vol._ 6. _t._ 29. _f._ 6.
HABITAT: New York, and other parts of North America.
Head black. Antennæ nearly the length of the thorax, black, slender, and
knobbed at their extremities. Thorax black and smooth. Wings coppery
brown, very membranaceous, and not transparent. Abdomen black, and
composed of eight segments, the second being of a deep yellow; which
colour extends only to its sides, the under part being black. Legs
entirely black; the hinder ones being furnished with a strong spine at
the tips of the tibiæ, the middle ones having four small ones, and the
fore ones none. Each of the ungues has two small yellow scales (puvilli)
placed underneath.