apterous

from WordNet (r) 3.0 (2006)

apterous
    adj 1: (of insects) without wings [syn: {apterous}, {apteral}]

from The Collaborative International Dictionary of English v.0.48

Apterous \Ap"ter*ous\, a.
   1. (Zool.) Destitute of wings; apteral; as, apterous insects.
      [1913 Webster]

   2. (Bot.) Destitute of winglike membranous expansions, as a
      stem or petiole; -- opposed to {alate}.
      [1913 Webster]