富山県の標高の異なる3地点においてマレーズトラップで捕獲されたスズメバチ類の種構成

概要

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Social wasps were collected from July to September 2009 with Townes white Malaise traps in the mountain area (330, 664, and 1,120 m above sea levels) of Toyama Prefecture, Honshu, Japan. A total of 345 individuals of 16 species were collected: Parapolybia indica, Pa. varia, Polistes chinensis antennalis, Po. rothneyi iwatai, Po. nipponensis, Po. snelleni, Vespa simillima xanthoptera, V. analis insularis, V. crabro flavofasciata, Vespula flaviceps lewisii, Vl. shidai shidai, Vl. vulgaris, Vl. schrenckii, Dolichovespula media sugare, D. saxonica nipponica, and D. norvegicoides pacifica. Vespula shidai shidai was the dominant species (59.1%), followed by Vl. schrenckii (15.7%). Although Vl. shidai shidai was dominant at the three altitudes, the species compositions differed among the altitudes. In the subfamily Polistinae, the abundance and the species richness decreased with altitude, and polistine wasps were not collected at the survey sites 1,120 m above sea level. In contrast, the abundance and the species richness increased with altitude in the subfamily Vespinae.
2013-05-25