Rhynchaustrobates (Rhynchaustrobates) victorianus, Smit, Harry, 2015

Smit, Harry, 2015, The water mite family Hygrobatidae Koch in Australia. The genera Aspidiobatella Cook, Australorivacarus Viets, Gondwanabates Imamura and Rhynchaustrobates Cook (Acari: Hydrachnidia), Zootaxa 4033 (4), pp. 567-583 : 580

Rhynchaustrobates (Rhynchaustrobates) victorianus n. sp.

( Figs 10 A–C)

Type material. Holotype male, Scrubby Valley Creek at Flat Rock Crossing, Grampians NP, 37º 0 9.680 S 142º 26.680 E, alt. 304 m asl, 17-iii-2008 ( NMV). Paratype male: one male, Wannon River at crossing with Serra Road, Grampians NP, Victoria, Australia, 37º 20.918 S 142º 30.386 E, alt. 331 m asl, 15-iii-2008 ( RMNH).

Diagnosis. P3 with a short ventral projection.

Description. Male. Idiosoma papillate, dorsally 365 (356) long and 300 (292) wide, ventrally 437 (421) long. Dorsum with relatively small glandularia platelets; postocularia on a small plate, 46 (48) long. First coxae fused, medial suture lines of coxae obliterated. Cxgl–4 lying near middle of fourth coxae, Vgl–2 somewhat close to posterior margin of fourth coxae. Genital field with three pairs of acetabula, gonopore 72 long. Length of P1–P5: 20, 54, 38, 62, 32. Length of I-leg-4–6: 108, 106, 90. Length of IV-leg-4–6: 110, 100, 78. Legs without swimming setae.

Female. Unknown.

Etymology. Named after the state of Victoria.

Remarks. The new species is most similar to R. tasmanicus Cook, 1986 , which has a longer and more bowed projection of P3.

Figures

FIGURE 10. Rhynchaustrobates victorianus n. sp., holotype male; A. venter; B. dorsum; C. palp. Scale bars = 50 µm.