Gretacarus crankus Cook, 1986

Smit, Harry, 2016, The water mite genus Gretacarus K. O. Viets, 1978 from Australia (Acari: Hydrachnidia, Mideopsidae: Gretacarinae), with the description of three new species, Zootaxa 4121 (2), pp. 159-166 : 160

Gretacarus crankus Cook, 1986

Material examined. 1/0/0, Fitzroy River, Yaamba, core 2, 6-ii-1984; 1/0/0, core 16, 20-ii-1984; 1/1/0, same location, 15-iii-1984; 0/1/0, same location, 2-iv- 12984, core 13; 1/0/0, same location, core 15, 16-iv-1984; 1/0/0, same location, core 15, 27-vi-1984, 0/1/0, same location, core 10, 5-vii-1984, all leg A.P. Mackay; 1/0/0, Prospect Creek, 33 km SW of Sarina, 21º 37.285 S 149º 0 1.595 E, alt. 185 m asl, 17-xi-2014.

Remarks. Known from Queensland only. The sloping longitudinal ridges of the male are not always present. Therefore, the best character to identify the male are the small flaps posterior of the third coxae.