eucronia maia

from The Collaborative International Dictionary of English v.0.48

Maia \Ma"i*a\, n. [From L. Maia, a goddess.] (Zool.)
   (a) A genus of spider crabs, including the common European
       species ({Maia squinado}).
   (b) A beautiful American bombycid moth ({Eucronia maia}).
       [1913 Webster]