Neoatractides (Allotorrenticola) malayensis ( Wiles, 1991 )

Pesic, Vladimir & Smit, Harry, 2009, Water mites of the family Torrenticolidae Piersig, 1902 (Acari: Hydrachnidia) from Thailand, Part I. The genera Torrenticola Piersig, 1896, Neoatractides Lundblad, 1941 and Pseudotorrenticola Walter, 1906, Zootaxa 1982, pp. 38-62 : 60-61

Neoatractides (Allotorrenticola) malayensis ( Wiles, 1991)

( Figs. 92–95)

Material. Thailand, Stream W of Bankrang Camp, Kaeng Krachan NP, 30.xi.2007, 12° 48.106 N 99° 26.786 E, leg. Smit (0/2/0), one female dissected and slide mounted in Hoyer's fluid .

Morphology. Female: Idiosoma (ventral view: Fig. 93) L 597, W 444; dorsal shield ( Fig. 92) L 463, W 381, L/W ratio 1.2; dorsal plate 431; shoulder plate L 109, W 53, L/W ratio 2.1; frontal plate L 138, W 53, L/ W ratio 2.6; shoulder/frontal plate L ratio 0.79; gnathosomal bay L 79, Cx-1 total L 128, Cx-2+3 medial 47; genital field L/W 141/125, L/W ratio 1.1; distance genital field–excretory pore 175, genital field–caudal idiosoma margin 200; capitulum ( Fig. 95) ventral L 278; chelicera L 353; palp ( Fig. 94) total L 195, L and %L (in parentheses): P-1 35 (18.0), P-2 77 (39.5), P-3 50 (25.6), P-4 23 (11.8), P-5 10 (5.1).

Remarks. This species can easily be recognised by the characteristic shape of the palp (P-3 with small ventral seta located proximal to small ventral projection, see Fig. 94).

Distribution. Peninsular Malaysia. New for Thailand.