Lek Formation and Male-Male Competition in the Melon Fly, Dacus cucurbitae COQUILLETT : Diptera : Tephritidae

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概要

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• The mating behavior of wild melon flies, Dacus cucurbitae, was observed under field conditions. Males congregated and engaged in wing vibration in the late afternoon on non-host plants such as Bidens pilosa, Amaranthus lividus and Crassocephalum crepidioides, which populated over bordering cucurbit fields. Males defended their calling sites from other males through wing vibration, fighting or mounting. The rate of mating success per male in relation to female encounters was extremely low (1 : 61), suggesting that each female exerted "female choice." Judging from these results we conclude that males of the melon fly form leks.

• 1986-02-25

著者

• Iwahashi Osamu

  Entomological Laboratory College Of Agriculture University Of Ryukyus

• Iwahashi Osamu

  Entomological Laboratory University Of The Ryukyus

• MAJIMA Tsutomu

  Entomological Laboratory, University of the Ryukyus

• Majima Tsutomu

  Entomological Laboratory University Of The Ryukyus

関連論文

• Mating Receptivity of Wild Type Females for Wild Type Males and Mass-Reared Males in the Melon Fly, Dacus cucurbitae COQUILLETT (Diptera : Tephritidae)
• Appearance of Wild Females Unreceptive to Sterilized Males on Okinawa Is. in the Eradication Program of the Melon Fly, Dacus cucurbitae COQUILLETT(Diptera:Tephritidae)
• Lek Formation and Male-Male Competition in the Melon Fly, Dacus cucurbitae COQUILLETT : Diptera : Tephritidae
• Seasonal changes in infestation level of sugarcane by the pink borer, Sesamia inferens (Lepidoptera : Noctuidae), in relation to a parasitoid, Cotesia flavipes (Hymenoptera : Braconidae), on Okinawa Island
• Mandible dimorphism in males of a stag beetle, Prosopocoilus dissimilis okinawanus (Coleoptera: Lucanidae)

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