Taintaturus accidens Cook, 1983

K, Harry Smit & PešićK, Vladimir, 2024, New records of notoaturine water mites from New Zealand, with the description of five new species (Acari: Hydrachnidia: Notoaturinae), Acarologia 64 (2), pp. 499-524 : 512

Taintaturus accidens Cook, 1983

Figures 8

New records — South Island. 1/0/0, Janice Creek crossing Haupiri Road, Moana, South Island, 42°34.443′ S, 171°42.731′ E, alt. 212 m asl., 15 Febr. 2023. 6/1/0, Janice Creek crossing Haupiri Road, interstitial, Moana, South Island, 42°34.443′ S, 171°42.731′ E, alt. 212

m asl., 15 Febr. 2023, one female dissected and slide mounted (RMNH).

Remarks — Thus far, the female was unknown, and therefore a description is given below.

Description. Female — Idiosoma dorsally 434 long and 272 wide, ventrally 440 long. Integumental and eye pigment present; ornamentation of dorsal sclerites consisting of reticulations. Dorsal shield typical for the genus Taintaturus , 313 long and 231 wide; unpaired anteromedial plate 147 long and 165 wide; unpaired posteromedial plate longer than anteromedial plate, 166 long and 136 wide; anterolateral platelet 181 long, posterolateral platelet

113 long. Anterodorsal part of ventral shield forming a hood-like structure as illustrated in Figure 8A , and -E; Cx-I bluntly projecting, Cx-II and -III pointed; gnathosomal bay 83 long; Cxgl-4 located near Cx-III/IV suture line; projections associated with insertions of fourth legs somewhat truncated, a pair of glandularia lying somewhat medial to these projections. Genital field with few acetabula on each side, gonopore terminal, 69 long and 36 wide.

Palp: dorsal length/height (ratio in parentheses): P1, 18/11 (1.63); P2, 38/33 (1.15); P3, 28/22 (1.28); P4, 47/20 (2.41); P5: 20/8 (2.54); P3 ventral projection relatively long and pointed,

P4 with a median ridge ( Figure 8F ). Gnathosoma ventrally 51 long (without apodemes), 71 with apodemes; chelicera 108 long. Dorsal length of I-leg-3-6: 29, 48, 50, 46; dorsal length of IV-leg-2-6 ( Figure 8G ): 98, 34, 41, 42, 56; height of IV-leg-2, 41.

Figures

Figure 8 Taintaturus accidensCook, 1983, Janice Creek (A-B, E-G, female; C-D, male). A – idiosoma, dorsal view; B – idiosoma, ventral view; C-E – hood-like structure on anterodorsal part of ventral shield; F – palp; G – IV-leg-2-6. Scale bars = 100 μm.