Schizocarpus zurowskii, Bochkov, Andre V., Labrzycka, Anna, Skoracki, Maciej & Saveljev, Alexander P., 2012

Bochkov, Andre V., Labrzycka, Anna, Skoracki, Maciej & Saveljev, Alexander P., 2012, Fur mites of the genus Schizocarpus Trouessart (Acari: Chirodiscidae) parasitizing the Eurasian beaver Castor fiber belorussicus Lavrov (Rodentia: Castoridae) in NE Poland (Suwałki), Zootaxa 3162, pp. 39-59 : 52

7. Schizocarpus zurowskii sp. nov.

( Fig. 10 )

Description. MALE (holotype). Body 370 long (365–370 in 4 paratypes) and 175 wide (170–180); body length/ width ratio about 2.1:1. Idiosoma egg-shaped, strongly concave dorsally. Hysteronotal shield 90 long and 80 wide. Anterior margin of hysteronotal shield almost straight. Setae d1 situated in anterior angles of this shield, distance d1-d1 70. Setae e1 situated on hysteronotal shield, anterior to its posterior margin. Distance e1-e1 50. Setae h1 situated laterally, widely separated from each other, distance h1-h1 80. Setae f2 absent. Setae h3 widely separated from each other, distance h3-h3 90. Opisthosomal membranes moderately developed, 15 long. Setae ps3 situated laterally, almost at same transverse level as adanal suckers. Adanal shields roughly rounded in outline and slightly elongated, with distinctly sclerotized borders, not punctate in central area. Minimal distance between these shields 7. Setae ad1 represented by alveoli, situated on adanal shields anterior to adanal suckers and at same longitudinal level with them. Distance between adanal sucker and seta ad1 slightly less than diameter of adanal suckers. Adanal suckers situated in median part of adanal shields, 8 in diameter, with dentate corolla (type E), without external sclerotized ring. Setae ps1 non pedunculate, situated between adanal shields postero-mesal to adanal suckers, distance of adanal suckers-setae ps1 1.5 times longer than diameter of adanal suckers. Adanal setae ad2 represented only by alveoli, situated posterior to level of setae ps1 and slightly lateral to these setae, close to posterior-mesal border of adanal shields. Ventral anal sclerite distinct. Lengths of some setae: h1 6, h2 130, h3 26, ps3 50, ps2 100. Tarsus III 26 long, 14 wide; tarsus IV 15 long, 14 wide.

Type material. Holotype male ( ZIN T-Chir-19) and 5 male paratypes ( ZIN AVB- 2011-0504-014, #1-5) from Castor fiber belorussicus [beaver #5], POLAND: Podlaskie Voivodeship, Suwałki County, near Wiżajny village, 54°21'50''N, 22°52'6''E, 18 April 2003, coll. A. Labrzycka.

Type depositions. Holotype and 4 paratypes—in ZISP, 1 paratype—in AMU.

Microhabitat. Abdomen.

Distribution. Type locality only.

Etymology. This species is dedicated to the famous Polish theriologist Dr. W. Zurowski (1935-1992).

Differential diagnosis. In this new species, as in S. klompeni sp. nov. and S. gozdziewskii sp. nov., the idiosoma is egg-shaped, the corolla of the adanal suckers is dentate, setae f2 are lost, setae ps3 are situated laterally, and setae ad2 are present. The new species is close to S. gozdziewskii sp. nov. In both species, setae d1 are situated closer to the lateral borders of the hysteronotal shield than to each other, and setae ps1 are non-pedunculate. These species differ from each other by the following characters. In. S. zurowskii sp. nov., setae ad1 are situated distinctly anterior to the adanal suckers and setae ad2 are represented by alveoli and located posterior to setae ps1, both pairs of these setae are off the adanal shields, and the length and width of tarsi IV are subequal. In S. gozdziewskii sp. nov., setae ad1 are situated at the same transverse level as the adanal suckers, setae ad2 are setiform and located anterior to ps1, both pairs of these setae are on the adanal shields, and tarsi IV are longer than wide.

Figures

FIGURE 10. S. zurowskii sp. nov., male: A—opisthosoma in dorsal view; B—same, in ventral view.