Dicrotendipes septemmaculatus (Becker, 1908)

Qi, Xin, Lin, Xiao-Long & Wang, Xin-Hua, 2012, Review of Dicrotendipes Kieffer from China (Diptera, Chironomidae), ZooKeys 183, pp. 23-36 : 25-26

Dicrotendipes septemmaculatus (Becker, 1908)

Chironomus septemmaculatus Becker, 1908: 77.

Dicrotendipes pictipennis Kieffer, 1913: 23; Freeman 1955: 22.

Dicrotendipes formosanus Kieffer, 1916: 115; Hashimoto 1981: 12.

Dicrotendipes formosanus var frontalis Kieffer, 1916: 116.

Dicrotendipes frontalis : Sublette and Sublette 1973: 403.

Dicrotendipes speciosus Kieffer, 1924: 256; Kieffer 1925: 299.

Dicrotendipes quatuordecimpunctatum (Goetghebuer, 1936): Contreras-Lichtenberg 1986: 710.

Dicrotendipes septemmaculatus : Epler 1988: 42; Wanget al. 1990: 28; Harrison 1993: 363; Spies and Saether 2004: 41.

Specimens examined.

China, Hebei: 3♂♂, Qinhuangdao City, 39°55.53'N, 119°36.19'E, 4.vi.1985, Li HH, sweeping method; Guizhou: 2♂♂, Guiyang City, Huaxi, 26°24.32'N, 106°38.58'E, 23.vii.1995, Bu WJ, sweeping method; 1♂, Libo County, Maolan Town, 25°17.21'N, 108°04.28'E, 28.vii.1995, Bu WJ, sweeping method; Shandong: 1♂, Taian City, Tai Moutain, 36°11.37'N, 117°08.13'E, 25.v.1994, Wang XH, light trap; Taiwan: 3♂♂, Taibei City, 25°08.33'N, 121°36.57'E, 21.vii.2003, Wang XH, light trap; Yunnan: 1♂, Wuding County, Shishan Moutain, 25°31.58'N, 102°22.32'E, 8.vii.1986, Wang XH, sweeping method; 1♂, Eryuan County, 26°19.56'N, 100°02.03'E, 18.vii.1986, Wang XH, light trap; 2♂♂, Kunming City, 25°04.09'N, 102°42.14'E, Bu WJ, sweeping method; 2♂♂, Dali City, Yinqiao Town, 25°45.16'N, 100°07.31'E, 22.v.1996, Wang XH, sweeping method.

Remarks.

The wing spots are variable in Dicrotendipes septemmaculatus . They may be absent in teneral specimens, and the pair of spots in cell r4+5 is sometimes combined into one spot. The Chinese specimens have one spot in cell r4+5.

Distribution.

China (Hubei, Guizhou, Shandong, Taiwan and Yunnan Province); Algeria; Australia; Burma; Egypt; Bangladesh; India; Indonesia; Japan; Lebanon; Namibia; Nigeria; South Africa; Spain; Sundan; Uganda; Zimbabwe; Zaire.