Coaustraliobates rostratus Smit, 2001

Orginal, Harry Smit, 2021, The water mites of Western Australia (Acari: Hydrachnidia), with the description of 13 new species, Acarologia 61 (4), pp. 928-966 : 942-943

Coaustraliobates rostratus Smit, 2001

( Figure 9 A-B)

New records — 1/0/1, Rowell’s Pool, Mount Frankland South NP, 34°49.120′ S 116°35.657′

E, 34 m asl, 6 Feb. 2019 ; 1/0/0, Harvey River at crossing with Kevron Road, Lane Pool Reserve, 33°00.997′ S 116°05.585′ E, 246 m asl, 13 Feb. 2019.

Description — Male: Idiosoma dorsally 567 (794) long and 389 (535) wide, ventrally 575 (745) long. Coxae as in female. Gonopore 66 long and 40 wide, genital field 100 long and 118 wide ( Figure 9A). Length of P1-5: 34, 82, 80, 170, 46. Palp as in female. Length of I-leg-4-6: 110, 122, 100. I-leg-5 anteroventrally with two short, stout setae. Leg segments of first leg relatively stocky ( Figure 9B). Length of IV-leg-4-6: 154, 200, 154. III-leg-5 and IV-leg-5 with two long swimming setae.

Remarks — Thus far, only the female was known. Above a description of the male is given.

Distribution — Previously reported only from the type locality in Victoria, and reported here for the first time from Western Australia.