Two new species of the orientalis group of Rheocricotopus (Psilocricotopus) from China (Diptera: Chironomidae) |
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Authors: | Wang Xinhua Sæther Ole A. |
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Affiliation: | (1) Department of Biology, Nankai University, Tianjin, China;(2) Museum of Zoology, Department of Zoology, University of Bergen, N-5007 Bergen, Norway |
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Abstract: | Rheocricotopus (Psilocricotopus) calviculus sp. n. and R. (P.) villiculus sp. n. from China are described as male imagines. The species are closely related to the previously described R. (P.) orientalis Wang forming a new group, the orientalis group, which eventually may deserve the rank of subgenus or even genus. The group is distinguished by lacking a humeral pit, numerous sensilla clavata on third palpomere, cuneiform wings, no or few setae on squama, long legs, banded abdomen, very long inferior volsella, gonocoxite with apical extensions, and gonostylus with a median triangular projection. |
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Keywords: | Chironomidae Rheocricotopus Orientais group new species China |
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