The Collaborative International Dictionary of English v.0.48:

Solifugae \So*lif"u*gae\, n. pl. [NL., from L. solifuga (better
   solipuga), a kind of venomous ant, or spider.] (Zool.)
   A division of arachnids having large, powerful fangs and a
   segmented abdomen; -- called also Solpugidea, and
   Solpugides.
   [1913 Webster]