New species of Hercostomus Loew, 1857 (Dolichopodidae, Diptera) from Japan.
Six new species of the genus Hercostomus Loew, 1857, are described from Japan: Hercostomus acutiformis Negrobov, Kumazawa & Tago sp. nov., H. falcilis Negrobov, Kumazawa & Tago sp. nov., H. flavipalpus Negrobov, Kumazawa, Tago & Sato sp. nov., H. nigricollaris Negrobov, Kumazawa & Tago sp. nov., H. spathulatus Negrobov, Kumazawa, Tago & Sato sp. nov., H. spinitibialis Negrobov, Kumazawa & Tago sp. nov. Hercostomus flaveolus Negrobov & Chalaya, 1987 is newly recorded from Japan, and Hercostomus arcticus Yang, 1996 is newly synonymized with Hercostomus flaveolus (syn. nov.). The holotype of Hercostomus flaviventris Smirnov & Negrobov, 1979 is redescribed. Hercostomus ussurianus Stackelberg is transferred to the genus Gymnopternus Loew, 1857 (stat. nov.). A key to the eleven recognized species of Japanese Hercostomus is provided.
Voronezh State University, Voronezh, Universitetskaya pl. 1, 394006, Russia.; Email: negrobov@list.ru.
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Negrobov
Osaka Museum of Natural History, 1-23, Nagai Park, Higashi-sumiyoshi, Osaka 546-0034, Japan.; Email: pseudocampsicnemus@gmail.com.
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Kumazawa
29-13-101, Motogou, 1-chome, Kawaguchi, Saitama, 332-0011, Japan.; Email: tago-ke@za2.so-net.ne.jp.
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Tago
Rishiri Town Museum, Senhoshi, Rishiri Island, Hokkaido, 097-0311, Japan.; Email: dolicho@dl.dion.ne.jp.
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Sato
D000825:Animal Structures / Q000033:anatomy & histology / Q000254:growth & development; D000818:Animals; D049628:Body Size; D004175:Diptera / Q000033:anatomy & histology / Q000145:classification* / Q000254:growth & development; D005260:Female; D007564:Japan; D008297:Male; D009929:Organ Size