2. Dianous coeruleovestitus Puthz, 2000

(Figs. 3, 4, 24, 33–40)

Dianous coeruleovestitus Puthz, 2000: 436; Puthz, 2016: 748.

Material examined. Paratype. China: Hongkong: 1♂, Tai Mo Shan, 28.IV.1996, G. M. de Rougemont leg. (cPut) . Other Material. China: Zhejiang: 1♂, Lin’an city, Tianmushan, 7–9.V.1998, Li-Zhen Li leg. (SHNU) ; 1♂, Lin’an city, Tianmushan, 15.VIII.2002, Liang Tang leg. (SHNU) ; 1♀, Longwangshan N.R., Anji County, 250m, 26.IV.2006, Jin-Wen Li leg. (SHNU); 1♂ 1♀, Haoling, Tianmushan, 24.VIII.2007, Li & Yin leg. (SHNU) ; 15♂♂ 8♀♀, Lin’an city, Qingliangfeng N.R., 800–1100m, 17–20.VII.2009, Feng, Yuan & Yin leg. (SHNU) ; 4♀♀, Lin’an city, West Tianmushan, 300m, 20.IX.2009, Xiao-Bin Song leg. (SHNU) ; 4♂♂, Lin’an city, Tianmushan, 300m, 15.VIII.2010, Jia-Yao Hu leg. (SHNU) ; 1♂, Lin’an city, East Tianmushan, 370–500m, 12.IV.2011, Peng & Zhu leg. (SHNU) ; 1♂, Dongbaishan, 300m, 29°28’ N, 120°12’ E, 4.X.2012, Tie-Xiong Zhao leg. (SHNU) ; 6♂♂ 3♀♀, Anji County, Shen- xi, 30°25’N, 119°28’E, 9. VI.2012, Jian-Qing Zhu leg. (SHNU); 4♂♂ 5♀♀, Dongbaishan, 400m, 29°27’ N, 120°28’ E, under the stone along the Creek, 29.VII.2012, Tie-Xiong Zhao leg. (SHNU) ; 1♂ 3♀♀, Zhuji City, Dongbaishan, near the stream, sifted, 1100m, 17.VII.2013, Tie-Xiong Zhao leg. (SHNU) ; 2♀♀, Lin’an city, Qingliangfeng N.R., 30°08’48.25’’N, 118°58’13.20’’E, mixed leaf litter, sifted, 900m, 11.IX.2013, Jian-Qing Zhu leg. (SHNU) ; 1♂ 1♀, Jinhua City, Pan’an County, Dapanshan N.R., above reservour, 28°58’41.03’’N, 120°29’19.24’’E, 531–783m , 8.V.2016, Jiang, Liu & Zhou leg. (SHNU); 2♂♂, Lin’an city, Yinlongwu Town, Zhanlingwan, 30°09’24.20’’N, 118°51’58’’E, 856m , 29.IV.2018, sifted, Cheng & Shen leg. (SHNU); 1♂ 5♀♀, Lishui City, Jingning she nationality autonomous County, Wangdongyang alpine wetland reserve, Yujikeng, 29°14’52.55’’N, 118°07’02.56’’E, 1087m , surface of rocks in a stream, 17.VIII.2018, Cheng & Miao leg. (SHNU); 1♂, Anji County, Longwangshan, Tonghang- gang, 30.469372°N, 119.46779°E, 430m , 27.VII.2019, Cheng & Wang leg. (SHNU). Jiangxi: 1♀, Jinggangshan City, Ciping Town, Jingzhushan, 1000–1200m , 19.X.2010, Peng, Zhai & Zhu leg. (SHNU). Fujian: 6♂♂ 1♀, Wuyi shan City, Guadun Vill., 27°44’N, 117°38’E, 1100–1400m , 29.V.2012, Peng & Dai leg. (SHNU). Guangxi: 63♂♂, Lin’gui County, Huaping N.R., Anjiangping, 1200–1700m, 13–18, VII.2011, Zhong Peng leg. (SHNU); 2♂♂ 4♀♀, Jinxiu County, 750m, 21.VII.2011, Zhong Peng leg. (SHNU); 32♂♂ 28♀♀, Jinxiu County, 16km, 850–950m, 24.VII.2011, Zhong Peng leg. (SHNU); 72♂♂ 39♀♀, Jinxiu County, Shengtangshan, 500–1200m , 27–28.VII.2011, Zhong Peng leg. (SHNU); 32♂♂ 19♀♀, Jinxiu County, 16km, 900m, 29–31.VII.2011, Zhong Peng leg. (SHNU); 2♂♂ 4♀♀, Jinxiu County, 16km, 850–950m, 31.VII.2011, Zhu, Hu & Yin leg. (SHNU) .

Measurements. BL: 5.8–6.9 mm, FL: 3.1–3.5 mm. HW: 1.12–1.23 mm, PL: 0.88–0.96 mm, PW: 0.83–0.92 mm, EL: 1.44–1.61 mm, EW: 1.27–1.43 mm, SL: 1.24–1.39 mm. Head 0.83–0.91 times as wide as elytra; Pronotum 1.02–1.11 times as long as wide; Elytra 1.09–1.17 times as long as wide.

Distribution. China (Hongkong, Zhejiang, Jiangxi, Fujian, Guangxi.); Vietnam. New to Zhejiang, Jiangxi, Fujian, Guangxi.

Variability. The coloration of the metalic area of elytra is varied from brassy to coppery. The size of the metalic area of elytra is as Fig. 24 in most specimens. In rare cases, it can be enlarged as in Fig. 3.