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apterous

   Also found in: Encyclopedia, Wikipedia 0.03 sec.
ap·ter·ous  (ptr-s)
adj.
Having no wings or winglike extensions: an apterous insect.
apterous [ˈæptərəs]
adj
1. (Life Sciences & Allied Applications / Zoology) (of insects) without wings, as silverfish and springtails
2. (Life Sciences & Allied Applications / Botany) without winglike expansions, as some plant stems, seeds, and fruits
[from Greek apteros wingless, from a-1 + pteron wing]
apterism  n
ThesaurusLegend:  Synonyms Related Words Antonyms
Adj.1.apterousapterous - (of insects) without wings          
apteral
wingless - lacking wings


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? Mentioned in ? References in periodicals archive
 
For example, in butterflies, as in fruit flies, the cells that make up the top wing surface contain an activated apterous gene, while those destined to frame the wing perimeter express one called Distal-less.
Gene patterns decorate butterflies' wings by Pennisi, Elizabeth / Science News
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