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单词 apterous
释义

Definition of apterous in English:

apterous

adjective ˈapt(ə)rəsˈaptərəs
Entomology
  • (of an insect) having no wings.

    〔昆〕(昆虫)无翅的,无翼的

    Example sentencesExamples
    • As originally described, Liassothrips is either a nymph or an apterous adult.
    • The presence of a fundatrix, the numbers of soldiers, nonsoldier nymphs, apterous adults (all instars), and alates were recorded.
    • Prey items were separated into morphotypes based on order, life stage (adult/larva), and in the case of Hymenoptera, apterous or winged.
    • Importantly, sexual selection favors apterous males in several natural populations of a water strider species.
    • Four of five strains tested clearly showed staining specifically in the dorsal compartment of the wing disc, as expected for apterous expression.

Origin

Late 18th century: from Greek apteros (from a- 'without' + pteron 'wing') + -ous.

Definition of apterous in US English:

apterous

adjectiveˈaptərəs
Entomology
  • (of an insects) having no wings.

    〔昆〕(昆虫)无翅的,无翼的

    Example sentencesExamples
    • Prey items were separated into morphotypes based on order, life stage (adult/larva), and in the case of Hymenoptera, apterous or winged.
    • Four of five strains tested clearly showed staining specifically in the dorsal compartment of the wing disc, as expected for apterous expression.
    • As originally described, Liassothrips is either a nymph or an apterous adult.
    • The presence of a fundatrix, the numbers of soldiers, nonsoldier nymphs, apterous adults (all instars), and alates were recorded.
    • Importantly, sexual selection favors apterous males in several natural populations of a water strider species.

Origin

Late 18th century: from Greek apteros (from a- ‘without’ + pteron ‘wing’) + -ous.

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更新时间:2025/6/18 18:37:26