Labiobaetis species of Japan, Taiwan, and Korea, with a new synonym of L. atrebatinus (Eaton 1870) and reerection of the subspecies L. atrebatinus orientalis (Kluge 1983) (Ephemeroptera, Baetidae) |
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Authors: | Toshihito Fujitani Toshiya Hirowatari Kazumi Tanida |
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Institution: | (1) Civil Engineering and Eco-technology Consultants Co., Ltd., 2-23-2 Higashi-Ikebukuro, Toshima-ku, Tokyo 170-0013, Japan;(2) Entomological Laboratory, Graduate School of Agriculture and Biological Sciences, Osaka Prefecture University, Sakai, Japan;(3) Laboratory of Ecology, College of Integrated Arts and Sciences, Osaka Prefecture University, Sakai, Japan |
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Abstract: | We associated nymphs of Labiobaetis sp. G and Labiobaetis sp. Q from Japan with imagoes reared from nymphs in the field. Labiobaetis sp. G was identified with L. atrebatinus (Eaton 1870) based on characters of the reared male and female imagoes, nymphs, and eggs. We also synonymized a Taiwanese
species, L. morus (Chang and Yang 1994), with L. atrebatinus. After further examination of the characters of male imagoes from Japan and Korea and nymphs from Japan and Taiwan, we found
them to be correspondent to subspecies L. atrebatinus orientalis (Kluge 1983). Thus, we reerected the subspecific status of L. a. orientalis, although it had been considered not distinguishable from the nominotypical subspecies L. a. atrebatinus. Labiobaetis a. orientalis is distributed in the Russian Far East, Japan, Korea, and Taiwan. We identified Labiobaetis sp. Q with L. tricolor (Tshernova 1928) based on characters of the reared male and female imagoes, nymphs, and eggs. Labiobaetis tricolor was recorded from Japan for the first time. |
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Keywords: | Labiobaetis Subspecies New synonym Rearing Baetidae |
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