Rhopalopsole dentiloba Wu, 1973

Li, Mengyu, Wang, Bingli, Yang, Ding, Muranyi, David, Li, Weihai & Wang, Hongliang, 2023, New and little-known stonefly species of the Rhopalopsole vietnamica ' western assemblage' group (Plecoptera, Leuctridae) from China, ZooKeys 1183, pp. 125-137 : 125

Rhopalopsole dentiloba Wu, 1973

Figs 5 , 6

Rhopalopsole dentiloba Wu, 1973: 105 (original description).

Material examined.

4 males, 1 female (CAU), China: Yunnan Province, Xishuangbanna, Meng shimron botanical garden, 22.IV.2007, 21°55'9.12"N, 101°16'6.96"E, 550 m, leg. D. Hui. 1 male (HIST), China: Yunnan Province, Xishuangbanna, Mengla, Wangtianshu scenic spot, 9.V.2009, 22°1'53.76"N, 100°52'32.88"E, 840 m, leg. X.S. Yang.

Remarks.

We examined several specimens from Xishuangbanna, Yunnan Province, which is the same location where R. dentiloba was described. The original description and illustrations did not provide sufficient details for identification. Therefore, we discuss herein the distinctive morphological characters of our specimens. This species is a typical member of the R. vietnamica group, western assemblage sensu Sivec et al. (2008). The male tergum 9 (Fig. 5A, C, D ) has a small triangular, upraised sclerotized process on hind margin. Tergum 10 (Fig. 5A, B ) bears a small bifurcate spine at each posterolateral corner in dorsal and lateral aspects, but the inner/lower spine is not easily observed. In lateral view (Fig. 5C, D ), unbranched, sclerotized lateral projections are seen. The epiproct is small, hook-like. The minute teeth of the subanal lobe described for the holotype are possibly the distinct furrows seen in the males observed in this study. The identity of these specimens is primarily based on a similar female and their proximity to the type locality (Mengsong town or Mengsong village in this town). The female (Fig. 6A, B ) is identical to the original illustration. However, doubts may arise about association of the original female and the male holotype, as tropical Yunnan is well known for its high biodiversity, where more Rhopalopsole species may co-occur.

Figures

Figure 5. Rhopalopsole dentiloba Wu, 1973 (male) A terminalia, dorsal view B terminalia, ventral view C terminalia, lateral view D terminalia, dorsolateral view. us: upper spine.

Figure 6. Rhopalopsole dentiloba Wu, 1973 (female) A terminalia, ventral view B terminalia, lateral view.