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词汇 Zygoptera
释义

Definition of Zygoptera in English:

Zygoptera

plural nounzʌɪˈɡɒptərə
Entomology
  • A group of insects which comprises the damselflies.

    〔昆〕束翅亚目昆虫。比较ANISOPTERA

    Suborder Zygoptera, order Odonata

    Compare with Anisoptera
    Example sentencesExamples
    • Two species of Zygoptera, Coenagrion angulatum Walker and C. resolution, in Saskatchewan, show this response especially clearly.
    • Thus, this character is clearly homoplastic within Zygoptera.
    • Phenological records for 29 species (six Zygoptera and 23 Anisoptera) from nine genera occurring in Yukon and BC were found (in usable form) in Walker, Walker and Corbet and Cannings.
    • Assuming a relatively constant rate of change at the molecular level, our data indicate an ancient split between extant Zygoptera and Anisoptera + Epiophlebia.
    • Despite the diversity of insects consumed, only the proportion of Zygoptera larvae in the diet differed between reproductive periods.

Derivatives

  • zygopteran

  • adjective & noun
    Entomology
    • Juvenile Nile perch feed on invertebrates (e.g., ephemeropteran naiads, anisopterans, zygopterans and chironomids) when small then switch to fishes with growth.
      Example sentencesExamples
      • The eyes of zygopterans are generally situated further apart than with most anisopterans.
      • Only three zygopteran species were recognised in the fauna by Wise.
      • A construction of the fertilisation and copulatory events is proposed based on descriptive and experimental evidence in other zygopterans as well as in this species.
      • As the individual warmed, it moved to the sunlit side of the plant to take on the normal zygopteran posture, posture 2, where only the legs touched the substrate.

Origin

Modern Latin (plural), from Greek zugon 'yoke' + pteron 'wing'.

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