Asilus

·noun A genus of large and voracious two-winged flies, including the bee killer and robber fly.

asilus
ăsīlus, i, m., a gad-fly , horse-fly , usu. tabanus (cf. Plin. 11, 28, 34, § 100); Gr. οἶστρος (c...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
asilus
asīlus ī, m a gad-fly, horse-fly, V. ...

An Elementary Latin Dictionary