Primeuchroeus kansitakuanus (Tsuneki, 1970)

Wei, Na-sen, Rosa, Paolo & Xu, Zai-fu, 2014, Contributions to the knowledge of the Chinese Primeuchroeus Linsenmaier, 1968 (Hymenoptera, Chrysididae), with a key to species, ZooKeys 373, pp. 43-56 : 48-52

Primeuchroeus kansitakuanus (Tsuneki, 1970) Figs 19-27

Chrysis kansitakuanus Tsuneki 1970: 9.

Primeuchroeus kansitakuanus (Tsuneki, 1970): Bohart 1988: 23; Kimsey and Bohart 1991: 542.

Materials.

1♀ (SCAU), Zhejiang, Lin’an, Mt. Qingliangfeng (30°04'N, 118°52'E), 9.VIII.2005, Hong-ying Zhang leg., No. 200603255; 1♀ (SEM) Fujian, Da’an (27°51'12.80"N, 117°54'24.42"E), 1.VII.1959, Gen-tao Jin & Yang-ming Lin leg., No. 34022850; 1♀ (SCAU), Hubei, Jingmen, Jingshan (31°1'1'N, 113°78'10"E), 15.VII.2009, Yuan Ye leg., No. CP0029; 13♀♀ (SCAU), Hunan, Mt. Huping, Shinianzigou (29°55'38"N, 118°48'48"E), 9.VII.2009, Ya-li Tang leg., No. CP0002-0014; 4♀♀ (SCAU), Hunan, Mt. Huping, Shinianzigou, 9.VII.2009, Shi-hong Wang leg., No. CP0015-0018; 1♀ (SCAU), Hunan, Mt. Huping, Zongfeng (29°55'N, 118°48'E), 9.VII.2009, Shi-hong Wang leg., No. CP0019; 1♀ (SCAU), Hunan, Mt. Huping, Shuawu village (29°55'N, 118°48'E), 10.VII.2009, Li Ma leg., No. CP0020; 1♀ (SCAU), Hunan, Huaihua (27°33'17"N, 109°59'53"E), VIII.2004, Jian-hua Zhou leg., No. CP0021; 2♀♀ (SCAU), Guangzhou, Wangzishan Forest Park (23°34'49"N, 113°13'21"E), 20.V.2006, Ju-jian Chen & Zai-fu Xu leg., No. CP0030, 0031; 4♀♀ (SCAU), Guangzhou, Liuxihe Forest Park (23°44'31"N, 113°47'0"E), 20.VI.2004, Zai-fu Xu leg., No. CP0032-0035; 2♀♀ (SCAU), Guangdong, Chebaling National Nature Reserve (24°43'N, 114°14'E), 22-28.VII.2008, Zai-fu Xu leg., No. CP0036, 0037; 1♀ (SCAU), Hainan, Mt. Wuzhi (18°51'N, 109°39'E), 15-16.V.2008, Jing-xian Liu leg., No. 200800155; 1♀ (SCAU), Guizhou, Tianzhu (26°54'32"N, 109°12'22"E), VIII.2009, Yang-wen Wang leg., No. CP0001; 2♀♀ (SCAU), Guizhou, Mayang River, Dahe Dam (28°38'12"N, 108°17'13"E), 27. IX– 2.X.2007, Jie-min Yao leg., No. CP0027, 0028; 3♀♀ (SCAU), Yunnan, Jinggu, Yunhai Reserve (23°29'37"N, 100°42'39"E), 3.X.2004, Jing-xian Liu leg., No. CP0022-0024; 1♀ (SCAU), Yunnan, Yingjiang, Taiping village (24°39'29"N, 97°51'9"E), 15.VIII.2005, Qiang Li leg., No. CP0025; 1♀ (SCAU), Yunnan, Chenggong, Luoyang (24°55'35'N, 102°48'37"E), 8-19.VIII.2006, Qiang Li leg., No. CP0026.

Description.

Described after a female from Guizhou. Body length 7.0 mm (Figs 19, 20). Forewing length 4.6 mm. MS = 0.6 MOD. F-I 3.0 × as long as wide.

Head. Scapal basin deep, with transverse striae and punctures, with a round pit anteromedially (Fig. 21). F-I dinstinctly longer than F-II (Fig. 21). TFC distinct and double (Fig. 21).

Mesosoma. Pronotum with anterior declivity polished and impunctate between the two pits (Fig. 22); without angle on each lateral margin (Fig. 22), without sublateral carina, but with lateral depression deep (Fig. 24). Mesonotum with round punctures (Fig. 22). Mesopleuron with enlarged foveae along episternal sulcus (Fig. 24), with scrobal carina and a very small projection near scrobe (Fig. 24). Forewing with discoidal cell distinct (Fig. 23); Rs long, 2.4 times as long as stigma, sharply bent in the middle and nearly complete (Fig. 23). Propodeal angle sharp and pointing backwards.

Metasoma. T-I with sparser and considerably larger punctures than those on T-II and T-III (Fig. 25). S-II spots separated by 3.0 MOD (Fig. 26). T-III not bulging before pit row (Fig. 27); apex of T-III obtusely angled medially, without transparent rim (Fig. 25); lateral margin of T-III convex, with a small tooth basally (Fig. 27).

Colouration. Face metallic green. Mandible brown, with metallic green basally. Antenna black, with scape, pedicel and basal F-I metallic bluish-green. Vertex and mesosoma metallic bluish-green, with ocellar triangle, anterior part of pronotum, notauli, and metanotum black. Tegula blackish-brown. Leg metallic bluish-green, with tarsus testaceous. Metasoma metallic bluish-green.

Variation. Females (n = 40). Body length 5.0-7.0 mm. Forewing length 3.4-4.6 mm. Rs 2.0-2.4 times as long as stigma.

Male. Unknown.

Diagnosis.

F-I distinctly longer than F-II. TFC distinct and double. Forewing with Rs long, 2.0-2.4 times as long as stigma, and bent sharply in the middle. Lateral margin of T-III convex, with a small tooth basally.

Distribution.

China (Zhejiang, Hubei, Hunan, Taiwan, Fujian, Guangdong, Hainan, Guizhou, Yunnan); Vietnam; Malaysia.

Biology.

Unknown. Collected from May to October.

Remarks.

According to Bohart (1988), Primeuchroeus kansitakuanus belongs to the ghilianii species-group.