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brachypterism
brachypterism n.
Brit. 
/brəˈkɪptərɪz(ə)m/
, /brəˈkɪptərɪz(ə)m/U.S. /brəˈkɪptəˌrɪz(ə)m/
the state or condition of being brachypterous./brəˈkɪptəˌrɪz(ə)m/ΘΚΠ
the world > animals > animal body > general parts > body and limbs > [noun] > wing > state or condition of being short-winged
brachypterism1937
1937 Discovery Mar. 91/2 This brachypterism, as it is termed, occurs also in the Orthoptera and Rhynchota.
1939 Nature 15 Apr. 645/2 Ruwenzori provides numerous examples of species of insects which are either short winged (brachypterous) in the female or in both sexes... Apart from this phenomenon of ‘brachypterism’ no obvious cases of adaptation to mountain conditions among insects were noted.
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