Incipient Post-Copulatory Isolation and Morphological Divergence in the Melon Fly, Bactrocera cucurbitae

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概要

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• Post-copulatory isolation and the difference in morphological traits between populations of the melon fly, Bactrocera (Dacus) cucurbitae on Okinawa and Isigaki Islands in the Ryukyu Archipelago, which shared the common ancestor in 1929 or later, were studied. The hatchabilities of eggs from inter-population crosses were lower than those from intra-population crosses. Of four morphological traits studied, two measures of wing length and width between eyes of females in the Okinawa population were larger than those of the Isigaki population. Measures of wing length and midleg length of males in the Okinawa population were larger than those of the Isigaki population. The degrees of sexual dimorphism in two measures of wing length and width between eyes in Okinawa population were larger than in the Isigaki population. There were differences between the populations in allometry of several pairs of the morphological traits.

• 1995-08-15

著者

• Kasuya E

  Niigata Univ. Niigata Jpn

• Kasuya Eiiti

  Entomological Laboratory Faculty Of Agriculture University Of The Ryukyus

関連論文

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