Blackflies (Diptera,Simuliidae) in eastern Trans-Baikal: Taxonomic composition and physiographic distribution |
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| Authors: | L V Petrozhitskaya P V Matafonov |
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| Institution: | 1.Institute of Systematics and Ecology of Animals, Siberian Branch,Russian Academy of Sciences,Novosibirsk,Russia;2.Institute of Natural Resources, Ecology and Cryology, Siberian Branch,Russian Academy of Sciences,Chita,Russia |
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| Abstract: | The blackfly fauna and biodiversity of some physiographic regions in eastern Trans-Baikal have been described. The structural characteristics of blackfly communities in the highlands and lowlands in the southern and northern territories of the region have been reported. A regional list of forty seven species in five genera of the Simuliidae family has been produced for the first time. The species distribution in three major river basins, Upper Amur, Lena, and Yenisei, are examined. A comparative cluster analysis of the similarities in species composition between the blackflies in the observed area and the adjacent regions is carried out. The blackfly species composition of the Upper Amur basin is more similar to the population of the Selenga River basin and significantly differs from the fauna in the middle and lower reaches of the Amur River; only three blackfly species typical for the Far East fauna have been indicated. |
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