apterygote
Concise Oxford English Dictionary © 2008 Oxford University Press:
apterygote /apˈtɛrɪˌgəʊt/
▶noun Entomology a primitive wingless insect of the group Apterygota, including the bristletails and springtails.
– origin from mod. L. Apterygota, from Gk a- ‘not’ + pterugōtos ‘winged’.
'apterygote' also found in these Oxford entries:

