Functional Morphology of the Genitalia in Epeorus ikanonis (Ephemeroptera, Heptageniidae)

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概要

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• Morphology of the genitalia and other reproductive organs is described for both sexes of the heptageniied mayfly Epeorus ikanonis TAKAHASHI. Specimens fixed during copulation show that the male genitalia change in its shape when inserted in female genitalia. Morphological function of the male genitalia is examined in terms of sperm transfer into the seminal receptacle. And the sperm competition at successive copulation is discussed based on the location of the ejaculated sperm in female reproductive organs.

• 日本昆虫学会の論文
• 1990-03-25

著者

• Takemon Yasuhiro

  Department Of Earth And Life Science College Of Integrated Arts And Sciences Osaka Prefecture Univer

関連論文

• Distributions of biogeochemical parameters in the pool and interstitial waters in sand bar system of the Kizu River
• Functional Morphology of the Genitalia in Epeorus ikanonis (Ephemeroptera, Heptageniidae)
• Water intake by the adult mayfly Epeorus ikanonis (Ephemeroptera: Heptageniidae) and its effect on their longevity
• Reproductive behavior and morphology of Paraleptophlebia spinosa (Ephemeroptera: Leptophlebiidae): implications of variation in copula duration

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