Two new species of the water mite genus Anisitsiellides Lundblad, 1941 from Australia (Acari: Hydrachnidia: Anisitsiellidae) Author K, Harry Smit Naturalis Biodiversity Center, P. O. Box 9517, 2300 RA Leiden, the Netherlands. Author PešićK, Vladimir University of Montenegro, Department of Biology, Cetinjski put bb, 81000 Podgorica, Montenegro. & Naturalis Biodiversity Center, P. O. Box 9517, 2300 RA Leiden, the Netherlands. text Acarologia 2023 2023-06-26 63 3 751 756 http://dx.doi.org/10.24349/wxgx-vtaq journal article 10.24349/wxgx-vtaq 2107-7207 10786181 37F10381-B8D4-4907-AF0C-BD98F5663E39 Anisitsiellides curtipalpis sp. nov. Zoobank: F397F81C-585B-4244-BBC4-681CB868 AD 8A ( Figs. 1 A-F) Material examined. Holotype female, Dalrymple Creek at camping area, Main Range NP , Queensland , Australia , 27°58.793′ S 152°20.782′ E , 708 m a.s.l. , 21 Nov. 2014 , dissected and slide mounted (terminal segments of both IV-leg lost) ( QM ). Diagnosis — Dorsal shield with five pairs of glandularia; P-2 without seta, ventral margin with two ventral projections, P-4 shortened and stout, dorsomedial seta long and curved. Description — Female – Dorsal and ventral shields present; dorsal shield L/W 763/631, ratio, dorsal shield bearing the postocularia and five pairs of glandularia ( Fig. 1A ), three pairs of glandularia placed in the posterior part of dorsal furrow; ventral shield ( Fig. 1B ) L/W 850/769, no separate sclerite at anterior end of ventral shield, gnathosomal bay L 95; Cxgl-2 on posterior end of Cx-II close to Cx-II/Cx-III suture line; Cxgl-4 posteromedial to suture Cx-III/Cx-IV; medial suture line evident and extending nearly to genital field, posterior lines of Cx-IV obliterated, no ridges extending anteriorly from the region of IV-leg insertions, distance between I-leg insertions, 539; two pairs of glandularia incorporated into the posterior end of the ventral shield; genital field L/W 170/145, ratio 1.17, three pairs of acetabula, L Ac-1-3: 42, 42, 36. Eggs maximum diameter (n=2) 169-172. Gnathosoma vL 163; palp: total L 198; dL/H, dL/H ratio: P-1, 23/31, 0.75; P-2, 66/50, 1.31; P-3, 34/38, 0.9; P-4, 45/28, 1.61; P-5, 30/11, 2.7; L ratio P-2/P-4, 1.45. P-2 without seta, ventral margin with one blunt, disto-ventral projection, and one triangular, distally slightly denticulated, projection near centre; ventral seta on P-3 a hair-like and very long, exceeding length of P-4; P-4 short and stout, proximoventral hair-like seta very long, dorsomedial seta long, curved and bluntly pointed, exceeding length of P-5 ( Figs. 1 C-D). Chelicera with dorsal elevation in the proximal part of the basal segment ( Fig. 1F ), total L 153. Legs — dL of I-leg-3-6: 76, 92, 104, 144; terminal segments of IV-leg lost. Male — Unknown. Etymology — Named for its stocky palp. Discussion — The new species differs from all other members of the genus by the dorsal shield having five pairs of glandularia, a characteristic shape of the palp with two ventral projections on P-2 and a shortened and stout P-4 with a strong dorsomedial peg-like seta. Moreover, no other Anisitsiellides species has the palp as illustrated for the new species. Therefore, is seems reasonable to define a new subgenus to accommodate the new species. However, in regard that in the new species the terminal segments of the fourth legs were lost, we postpone the decision to establish a higher rank for the new species until new material becomes available.