Habitat Segregation of the Drosophilid Flies in the Vicinity of Streams

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概要

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• Habitat preferences of the drosophilid flies were investigated in the vicinity of streams. Four species of the robusta group (D. okadai, D. neokadai, D. lacertosa and D. moriwakii) and two species of the virilis group (D. ezoana and D. sp.4) were supposed as streamside dwellers. In the upper or middle part of the stream D. ezoana preferred open stony streamsides, and D. okadai and D. neokadai preferred stony streamsides. Though D. lacertosa was abundant at various streamsides, they preferred more canopied streamside. D. moriwakii was abundant not only at the streamside but also in the streamside forest. In the lower reaches D. sp. 4 preferred willow groves in the vicinity of the stream. Some flies of D. lacertosa were also seen in mentioned groves with D. sp.4. From these facts, it is assumed that habitat of each streamside dweller is species specific.

• 日本昆虫学会の論文
• 1979-12-25

著者

• Beppu Katsura

  Zoological Institute Faculty Of Science Hokkaido University:(present Address)hokkaido Experimental F

関連論文

• Bionomics of Drosophilidae (Diptera) in Hokkaido : II. Drosophila testacea
• Breeding Sites of Drosophilid Flies in and near Sapporo, Northern Japan, with Supplementary Notes on Adult Feeding Habits
• Habitat Segregation of the Drosophilid Flies in the Vicinity of Streams
• Drosophila Survey of Hokkaido, XXXVI. : New and unrecorded species of Drosophilidae(Diptera)

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