lepidopteral

from The Collaborative International Dictionary of English v.0.48

Lepidopteral \Lep`i*dop"ter*al\ (-t[~e]r*al), Lepidopterous
\Lep`i*dop"ter*ous\ (-[u^]s), a. (Zool.)
   Of or pertaining to the Lepidoptera.
   [1913 Webster]