subulicornes

from The Collaborative International Dictionary of English v.0.48

Subulicornes \Su`bu*li*cor"nes\, n. pl. [NL., from L. subula an
   awl + cornu horn.] (Zool.)
   A division of insects having slender or subulate antennae.
   The dragon flies and May flies are examples.
   [1913 Webster]