Platambus micropunctatus Nilsson, 2003

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 : 536

Platambus micropunctatus Nilsson, 2003

( Figs. 8 , 12 )

Material studied. China: 3 ♂ 2 ♀, Guangdong Province, W of Qixing, Heishiding nature reserve , forested stream valley, 23°27.9′N, 111°54.3′E, 190 m, 1.–3.v.2011, M. Fikáček & J. Hájek leg. ( NMPC) .

Collecting circumstances. The specimens were collected in flood debris in small dam on lowland forest stream ( Fig. 16 ).

Distribution. Lowland species known so far only from the type locality (Dinghu Shan) in Guangdong. The present finding thus represents the second known locality of this species ( 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.