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Issue: Vol. 4471 No. 1: 4 Sept. 2018
Type: Article
Published: 2018-09-04
DOI: 10.11646/zootaxa.4471.1.2
Page range: 37–75
Abstract views: 78
PDF downloaded: 1

The Lordiphosa denticeps species group (Diptera: Drosophilidae) in China, with redescriptions of four known species and descriptions of nine new species

State Key Laboratory for Conservation and Utilization of Bioresources in Yunnan, Yunnan University, 2 Cuihubeilu, Kunming 650091, China
State Key Laboratory for Conservation and Utilization of Bioresources in Yunnan, Yunnan University, 2 Cuihubeilu, Kunming 650091, China
Hokkaido University Museum, Hokkaido University, N10, W8, Kita-ku, Sapporo 060-0810, Japan
School of Life Sciences, Peking University, 5 Yiheyuan Road, Beijing 100871, China
State Key Laboratory for Conservation and Utilization of Bioresources in Yunnan, Yunnan University, 2 Cuihubeilu, Kunming 650091, China Laboratory of Ecology and Evolutionary Biology, Yunnan University, 2 Cuihubeilu, Kunming 650091, China
Diptera morphology species delimitation sex-combs flower-visiting taxonomy

Abstract

Based on specimens collected from Yunnan, Xizang, and Taiwan in China, nine new species of the Lordiphosa denticeps species group, L. mikioides sp. nov., L. kimurai sp. nov., L. anthophilia sp. nov., L. yangi sp. nov., L. tibetica sp. nov., L. medogensis sp. nov., L. hamatispina sp. nov., L. secula sp. nov., and L. spatulata sp. nov., were described and four known species, L. denticeps (Okada & Sasakawa), L. neokurokawai (Singh & Gupta), L. ramula Zhang, and L. tripartita (Okada), were redescribed. In addition, we provided a key to all species of this species group. Males of three new species, L. mikioides, L. kimurai, and L. anthophilia, have distinct sex-combs consisting of black, stout teeth on the 1st and 2nd tarsomeres of foreleg; the large, longitudinal sex-comb on the 1st tarsomere is similar to those seen in the L. miki species group and the subgenus Sophophora Sturtevant of the genus Drosophila Fallén. Two of these and another new species were collected at flowering Impatiens L. (Balsaminaceae) stands: all specimens of L. anthophilia and L. medogensis directly from flowers, and some specimens of L. kimurai by net sweeping. The presence of large, longitudinal sex-combs and the flower-visiting habit were reported for the first time in the L. denticeps group.

 

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