Platynectes major Nilsson, 1998

Jiang, Zhuo-Yin, Zhao, Shuang, Jia, Feng-Long & Šťastný, Jaroslav, 2023, Two new species of Platynectes Régimbart, 1879 from China with notes on other Chinese members of the genus, including a key to species (Coleoptera: Dytiscidae: Agabinae), Zootaxa 5227 (4), pp. 401-425 : 410

Platynectes major Nilsson, 1998

( Figs 4C , 7F–G , 9C , 12A )

Platynectes dissimilis major Nilsson, 1998: 114 (orig. descr.).

Platynectes major Nilsson, 1998 : Šťastný 2003: 233 (n. stat.).

Type locality. “S Vietnam, N Dalat, Lang Bian” .

Type material. Holotype ♂, deposited in NHMW.

Material examined. CHINA: Yunnan: 2 ♂, 4 ♀, Lvchun County, ditches and terraces by the roadside, 22.8856N, 102.3264E, 1440 m, 1.v.2021, Z. Jiang, Z. Yang & Z. Mai leg. ( SYSU) .

Notes. Habitus and male genitalia are given in Figs 4C and 7F–G .

Collection details. The specimens from Lvchun were collected in ditches by the roadside ( Fig. 9C ).

Distribution. Southern China (Yunnan) ( Fig. 12A ).

Figures

FIGURE 4. Habitus of Platynectes species. (A) P. kashmiranus lemberki Šťastný (♂; Mêdog, Xizang); (B) P. kashmiranus lemberki Šťastný (♂; Pianma, Yunnan); (C) P. major Nilsson (♂; Lvchun, Yunnan); (D) P. mazzoldii Šťastný (paratype ♀; Phu Hin Rongkla NP, Huai Khamunoi, Thailand). Scale bar = 2.0 mm.

FIGURE 7. Male genitalia of Platynectes species. (A, C–D, F, H, J) median lobe in lateral view; (B, E, G, I, K) paramere. (A–B) P. hainanensis Nilsson (Limushan, Hainan); (C) P. kashmiranus lemberki Šťastný (Pianma, Yunnan); (D–E) P. kashmiranus lemberki Šťastný (Mêdog, Xizang); (F–G) P. major Nilsson (Lvchun, Yunnan); (H–I) P. nanlingensis Šťastný (paratype; Ruyuan, Guangdong); (J–K) P. rihai Šťastný (Taishan, Shandong). Scale bars = 0.5 mm.

FIGURE 9. Habitat of Platynectes species. (A) Limushan, Hainan (P. hainanensis); (B) Pianma, Yunnan (P. kashmiranus lemberki); (C) Lvchun, Yunnan (P. major); (D) Huanglianshan, Yunnan (P. pangu sp. nov.).

FIGURE 12. Maps of distribution of Platynectes species in China. (A) P. kashmiranus lemberki, P. maizuqii sp. nov., P. major and P. mazzoldii; (B) P. nanlingensis, P. pangu sp. nov. and P. rihai.