Rhopalopsole shaanxiensis, Yang & Yang, 1994

Li, Wenliang, Zhang, Yao, Yang, Ding & Li, Weihai, 2022, Rhopalopsole magnispina sp. nov., a new species of Leuctridae (Plecoptera) from China, with notes on R. horvati Sivec & Harper, 2008, Zootaxa 5141 (1), pp. 94-100 : 96

Key to males of Chinese species in Rhopalopsole shaanxiensis Group

1. Epiproct widened toward apex........................................................................... 2

-. Epiproct generally tapering toward apex................................................................... 4

2. Epiproct with an apical point (figs. 4 & 5 in Li et al. 2011)............................................ R. longtana

-. Epiproct apically obtusely truncate (fig. 34.1 in sivec et al. 2008) or incised ( Figs. 2a , 3c, 3e , present study)............. 3

3. Tergum 9 with three posterior projections ( Figs. 2a & 3a in present study)....................... R. magnispina sp. nov.

-. Tergum 9 with truncate posterior margin (fig. 34.1 in Sivec et al. 2008).................................. R. qinllinga

4. Lateral projection of tergum 10 short, wider than long in lateral aspect (Figs. 11 & 12 in Qian & Du 2017)..... R. faciursina

-. Lateral projection of tergum 10 slender.................................................................... 5

5. Lateral projection with sharp tip in lateral aspect (figs. 35.3, 35.4 in Sivec et al. 2008)............................... 6

-. Lateral projection apically obtuse (fig. 37.3 in Sivec et al. 2008)................................................ 7

6. Subanal lobe trilobed apically (fig. 58 in Wu 1973)................................................. R. dentiloba

-. Subanal lobe entire apically (fig. 2 in Yang & Yang 1994; fig. 37.2 in Sivec et al. 2008).................. R. shaanxiensis

7. Subanal lobe with apical bifurcation ( Figs. 1 & 3 in Yang & Yang 1991; fig. 35.2 in Sivec et al. 2008)......... R. apicispina

-. Subanal lobe entire (fig. 33.2 in Sivec et al. 2008).................................................... R. horvati

Figures

FIGURE 1. Rhopalopsole horvati Sivec & Harper, 2008, female. a. terminalia, ventral view; b. terminalia, lateral view.

FIGURE 2. Rhopalopsole magnispina sp. n., male. a. terminalia, dorsal view; b. terminalia, ventral view; c. terminalia, lateral view.

FIGURE 3. Rhopalopsole magnispina sp. n., male. a. terminalia, dorsal view; b. terminalia, ventral view; c. central plate, transverse bars and epiproct, dorsal view; d. epiproct, anterolateral view; e. epiproct, caudal view; f. tergum 10, lateral view. cp=central plate, tb=transverse bars.