Platambus regulae Brancucci, 1991

Hájek, Jiří & Zhang, Tao, 2019, A new Platambus from Sichuan, with new records of species of the P. sawadai group from China (Coleoptera: Dytiscidae: Agabinae), Zootaxa 4612 (4), pp. 533-543 : 540

Platambus regulae Brancucci, 1991

( Figs. 10 , 14 )

Material studied. China: 2 ♂, 1 ♀, Yunnan Province, Haba Xueshan Mts. , 1.3–2.0 km S of HABA, 27°22.1′N, 100°08.2′E, 2830–3000 m, 17.–20.vi.2007, J. Hájek & J. Růžička leg. ( NMPC) ; 7 ♂, 9 ♀, Yunnan Province, Shan- zhi env., Jizu Shan Mt., Zhusheng Si monastery, 25°57.7′N 100°23.6′E, 2180 m, 22.–24.vi. 2007, J. Hájek & J. Růžička leg. ( NHMB, NMPC, SYSU) .

Collecting circumstances. At the locality Jizu Shan, P. regulae was collected in a small forest stream, ca. 0.5–1.0 m wide, with a layer of decaying leaves on a gravelly bottom ( Fig. 19 ).

Distribution. A species described from northern Vietnam ( Brancucci 1991) and subsequently also recorded from northeastern Laos ( Brancucci 2004). First record from China (Yunnan) ( Fig. 20 ).

Figures

FIGURE 20. Map of distribution of Platambus sawadai group in China.

FIGURES 8–11. Habitus of Platambus sawadai group in China. 8. P. micropunctatus (Heishiding, Guangdong); 9. P. punctatipennis (Tianmu Shan, Zhejiang); 10. P. regulae (Jizu Shan, Yunnan); 11. P. wangi (Daba Shan, Hubei). Scale bar 2 mm.

FIGURES 12–15. Median lobe of aedeagus of Chinese species of Platambus sawadai group, lateral view. 12. P. micropunctatus (Heishiding, Guangdong); 13. P. punctatipennis (Tianmu Shan, Zhejiang); 14. P. regulae (Jizu Shan, Yunnan); 15. P. wangi (Daba Shan, Hubei). Scale bar 0.5 mm.

FIGURES 16–19. Habitat of Platambus sawadai group in China. 16. Heishiding, Guangdong; 17. Jinggang Shan, Jiangxi. 18. Tianmu Shan, Zhejiang. 19. Jizu Shan, Yunnan.