Copulation of Neozephyrus japonicus (Lycaenidae) under captive conditions

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  • ミドリシジミのケージ内での交尾

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Abstract

Observation of behavioral interactions between sexes is important for understanding of the color patterns of butterfly wings. Such observation, however, is very rare for the Zephyrus hairstreaks which sometimes show conspicuous sexually dimorphic coloration on their wings. Copulation of a dimorphic species Neozephyrus japonicus was observed in a large wire-net cage in the Museum of Nature and Human Activities, Hyogo. Out of 12 males and 10 females released, two males attempted copulation, and one successfully copulated with one female during the observation period from June 11 to 13, 1999. The copulation time was about 3h. A large spermatophore was later confirmed in the bursa copulatorix by dissection of the female abdomen. Significance of induction of copulation in the Zephyrus hairstreaks is discussed.

Journal

  • Lepidoptera Science

    Lepidoptera Science 52 (1), 1-10, 2000

    THE LEPIDOPTEROLOGICAL SOCIETY OF JAPAN

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