1. apterous - Adjective
2. apterous - Adjective Satellite
Destitute of wings; apteral; as, apterous insects.
Destitute of winglike membranous expansions, as a stem or petiole; -- opposed to alate.
Source: Webster's dictionaryThe gene apterous A has been found to play a role in the wing development of some insect species, in functions such as the outgrowth of the wing and determination of the dorsal-ventral boundary. Source: Internet
She added, “We discovered that in the small regions on the dorsal wing surfaces where a few eyespot centres were observed, there was an absence of apterous A gene expression. Source: Internet