eristalis Meaning, Definition & Usage

E*ris"ta*lis noun
Etymology
NL.
Definitions
  1. (Zoöl.) A genus of dipterous insects whose young (called rat-tailed larvæ) are remarkable for their long tapering tail, which spiracles at the tip, and for their ability to live in very impure and salt waters; -- also called drone fly.

Webster 1913