noun
apterygote; wingless insect
Technical term in entomology for insects that never develop wings, such as silverfish and bristletails.
無翅昆虫にはシミやイシノミなどが含まれる。
Apterygotes include silverfish and bristletails.
Refers to winged insects or pterygotes, the opposite of 無翅昆虫.
Compound of 無 (mu, 'without') + 翅 (shi, 'wing') + 昆虫 (konchū, 'insect'). A straightforward technical coinage.