Hygrobatella coriacea quiponensis Cook, 1980

Smit, Harry, 2021, New records of water mites from Chile (Acari: Hydrachnidia), with the description of three new species, Acarologia 61 (2), pp. 274-290 : 282

Hygrobatella coriacea quiponensis Cook, 1980

( Figure 3 A­B)

New record. 2/13/5, Estero del Aparejo o Morado, upstream of Embalse de Yeso, prov. Cordillera, 33°37.448 ′ S 70°01.491 ′ W, 2580 m a.s.l., 3 Dec. 2018.

Description. Male: Integument papillate, lineated; platelets colour red. Idiosoma dorsally 1186 (1266) long and 1025 (1164) wide, ventrally 1196 (1284) long. Dorsum in most aspects as in female, but postocularia separate from the large pairs of platelets, the latter 227 long. Moreover, the illustrated male has some irregularities, i.e., in one of the small glandularia platelets the glandularium is lacking and there is one unpaired rounded platelet ( Figure 3A ). Venter as in female, apart from (red coloured) genital field. The latter is 235 long and 243 wide; gonopore 86 long. Genital field with numerous setae, posterior pair of acetabula larger than the two anterior pairs ( Figure 3B ). Length of P1­5: 70, 179, 170, 243, 84; palp as in female. Length of I­leg­4­6: 368, 356, 251. Length of IV­leg­4­6: 648, 652, 389. Legs without swimming setae.

Female: Idiosoma dorsally 925­1628 long and 770­1475 wide, ventrally 1005­1648 long.

Remarks. Previously known from the holotype female only. Therefore, some measurements of the female and a description of the male are given above.

Distribution. Argentina, Chile (this study).

Figures

Figure 3 Hygrobatella coriacea quiponensisCook, male. A – dorsum; B – genital field. Scale bars: A = 200 µm; B = 50 µm.