Sperchon (Hispidosperchon) cf. gracilipalpis Lundblad, 1941

Pesic, Vladimir, Yam, Rita S. W., Chan, Benny K. K. & Chatterjee, Tapas, 2012, Water mites (Acari, Hydrachnidia) from Baishih River drainage in Northern Taiwan, with description of two new species, ZooKeys 203, pp. 65-83 : 68

Sperchon (Hispidosperchon) cf. gracilipalpis Lundblad, 1941 Fig. 3D

Material examined.

ECL-BA-2: iii.2010 1/1/0. ECL-BA-3: vi.2010 0/1/0 (mounted). ECL-BA-4: iii.2010 5/0 1/0/0 (mounted); iv.2010 0/1/0; 27.vii.2010 1/1/0. ECL-BA-5: iii.2010 1/1/0; iv.2010 0/1/0. ECL-BA-6: iv.2010 0/2/0.

Remarks.

The specimens from Baishih River drainage are provisionally assigned to the Oriental species Sperchon gracilipalpis Lundblad, 1941. However, they resemble both Sperchon gracilipalpis and the Palaearctic Sperchon hispidus Koenike, 1895 (common character state: dorsum of both sexes with seven paired and one unpaired (occasionally paired) muscle attachment plates; III/IV-L-3-5 with numerous pinnate dorsal setae; similar shape of palp (Fig. 3D) and male ejaculatory complex). The diagnostic differences separating these two species have never been discussed. More material of Sperchon gracilipalpis from the type area should be investigated in order to get an insight on further diagnostic differences.

Distribution.

SE Asia, China (Guizhou Province). New forTaiwan.