Sphaeronemoura grandicauda ( Wu, 1973 )

Zhao, Meng-Yuan & Du, Yu-Zhou, 2020, A new species of Sphaeronemoura (Plecoptera: Nemouridae) from China and additions to three other species of the genus, Zootaxa 4851 (3), pp. 583-592 : 588

Sphaeronemoura grandicauda ( Wu, 1973)

Nemoura grandicauda: Wu, 1973 . Acta Entomologica Sinica, 16 (2): 103.

Sphaeronemoura grandicauda: Baumann, 1975 . Smithsonian Contributions to Zoology, 211: 31.

Sphaeronemoura grandicauda: Yang, Li & Zhu, 2015 . Fauna Sinica Insecta , 58: 327.

Sphaeronemoura grandicauda: Yang & Li, 2018 . Species Catalogue of China. Vol. 2. Animals, Insecta (III), Plecoptera , 17.

Type locality: China, Sichuan Province (Omei Shan) .

Material examined: 2♂♂, 2♀♀, China, Shaanxi Province, Huyi County, Taiping Forest Park, 943m, 33°5 5.368′N, 108°39.15′E, 2019-IV-21, leg. Huo Qing-Bo, Shen Yue, Song Liang-Dong ( ICYZU) ; 1♂, China, Sichuan Province, Pingwu County, Laohegou Nature Reserve , 1704m, 2012-Ⅴ-25, leg. Ji Xiao-Yu, Tang Xiao-Tian ( ICYZU) .

Distribution: China (Sichuan, Shaanxi).

Adult habitus: Male characteristics were shown in Figs. 8-9 , and described in Yang et al. (2015). Female body length 11.0 mm, forewing length 12.5 mm, hindwing length 10.5 mm. Pregenital plate on sternum 7 dark brown, posteriorly extended into two short, blunt triangular projections. Sternum 8 bear several dark spots. Subgenital plate dark brown, a slight V-shaped sclerotized area in the middle. Sternum 9 dark brown with a small semicircular light brown area on the middle of the anterior margin ( Fig. 10 ).

Figures

FIGURE 8. Sphaeronemoura grandicauda. A: Male head and prothorax; B: cervical gills.

FIGURE 9. Sphaeronemoura grandicauda. Male terminalia, A: lateral view; B: dorsal view; C: ventral view.

FIGURE 10. Sphaeronemoura grandicauda. Female, A: cervical gills, ventral view; B: abdomen, ventral view.