Ismarus nigritrochanter Liu, Chen & Xu, 2011

Zhang, Xiao, Chen, Hua-yan, Liu, Jing-xian & Luo, Shi-xiao, 2021, The genus Ismarus Haliday (Hymenoptera, Ismaridae) from China, Journal of Hymenoptera Research 82, pp. 139-160 : 139

Ismarus nigritrochanter Liu, Chen & Xu

Figures 1A , 9 , 10 , 11

Ismarus nigritrochanter Liu, Chen & Xu, 2011: 53, 54, 59 (original description, keyed, placed in Ismarus halidayi species group, keyed).

Coments.

This species was originally described based on a singleton female ( Liu et al. 2011). Here we record the male: Body length 1.9-2.0 mm (n = 2). Similar to female, trochanters brown; A4 without blade-like carina; A6-A13 with each segment 1.4 × as long as wide.

Material examined.

Holotype, female. China: Yunnan, Mt. Gaoligongshan , 25.98°N, 98.80°E, 20-21.vii.2006, Zhong-shi Zhou, No. 200700989 (deposited in SCAU) . Other material: (2 males) China: 1 male, Yunnan, Diqing, Shangri-la, Jiantang Town , 27°31'45.45"N, 100°5'29.06"E, 2637 m, pine forest, CHY2, MT1, 12.vii-14.viii.2020, Nima, SCAU 3049368 (SYSBM) ; 1 male, Yunnan, Diqing, Shangri-la, Jiantang Town , 27°31'53.43"N, 100°4'48.75"E, 2643 m, pine forest, CHY6, MT2, 14.viii-18.ix.2020, Nima, SCAU 3044336 (SYSBM) .

Distribution.

China (Yunnan).

Figures

Figure 1. Mesosoma, dorsal view, mshs: mesoscutual suprahumeral sulcus; nt: notaulus A Ismarus nigritrochanter Liu, Chen & Xu B Ismarus halidayi Foerster C Coptera sp.

Figure 9. Ismarus nigritrochanter Liu, Chen & Xu, holotype, female (200700989) A lateral habitus B head, anterior view C head and mesosoma, dorsal view D head and mesosoma, lateral view E propodeum and basal metasoma, dorsal view F apical metasoma, dorsal view.

Figure 10. Ismarus nigritrochanter Liu, Chen & Xu, holotype, female (200700989) A wings B antenna C hind tibia.

Figure 11. Ismarus nigritrochanter Liu, Chen & Xu, male (SCAU 3044336) A lateral habitus B antenna.