Corvitorotroglus alpha, Skoracki & Bochkov, 2010

Skoracki, Maciej & Bochkov, Andre V., 2010, Syringophilid mites (Acari: Syringophilidae) of Kazakhstan, Zootaxa 2546 (1), pp. 52-68 : 54-57

Corvitorotroglus alpha sp. nov.

( Figs. 1–12 )

Description. FEMALE: Body length of holotype 1105 (1115–1145 in 10 paratypes). Gnathosoma. Stylophore 305 (320–400) long. Each longitudinal branch of peritremes with 7–8 chambers, each transverse branch with 4–6 chambers ( Fig. 7 ). Idiosoma. Propodonotal shield well sclerotized, with concave anterior margin, lateral margins punctate, bearing bases of setae vi, ve, si, and c1. Length ratio of setae vi:ve:si 1:2:2.8. Hysteronotal shield with concave anterior margin, baring bases of setae d1. Bases of setae d1 twice closer to d2 than to e2. Aggenital setae subequal, longer than 300. Genital and pseudanal setae subequal in length. Cuticular striations as in Figs 1 and 2 . Legs. Apodemes I fused to apodemes II in middle part of apodemes II. Coxal fields I and II well sclerotized, not punctate, III and IV weakly sclerotized, sparse punctate. Setae 3c about 1.5 times longer than 3b. Seta sc1 reaching respective genu, sc2 reaching respective tibia or tarsus, sc3 and sc4 reaching respective genu or tibia. Setae tc’ and tc” of legs III and IV subequal in length. Fan-like setae p’ and p” of legs III and IV with 12–15 tines ( Fig. 9 ). Lengths of setae: vi (90–95); ve (175–180); si 305 (260); se 320 (290–325); c1 370 (335–350); c2 330 (320–335); d1 (235); d2 (270–285); e2 370 (285); f1 65 (55–60); f2 505 (520–545); h1 55 (50–55); h2 535 (520–545); ps1 and ps2 30 (30); g1 and g2 30 (25–30); ag1–6 (305–375); 3b 105 (90–100); 3c 150 (135–145); sc1 45 (45); sc2 (70); sc3 95 (85); sc4 90 (60–90); tc’III–IV 85 (80–85); tc”III–IV 90 (80–90).

MALE. Body length 820 in 1 paratype. Gnathosoma. Each longitudinal branch of peritremes with 7 chambers, each transverse branch with 3–4 chambers ( Fig. 11 ). Stylophore 280 long. Idiosoma. Propodonotal shield with cleft on anterior margin, punctate, bearing bases of setae vi, ve, si, and c1. Setae ve and si 2.8 times longer than vi. Hysteronotal shield punctate. Setae g1 and g2 located at same transverse level ( Fig. 5 ). Bases of setae d1 situated 1.5 times closer to d2 than to e2. Setae d2 2.9 times longer than d1 and e2. Cuticular striations as in Figs 3 and 4 . Legs. All coxal fields weakly sclerotized. Fan-like setae p’ and p” of legs III and IV with 11–12 tines ( Fig. 12 ). Setae 3c 1.6 times longer than 3b. Setae tc” of legs III and IV slightly (1.2 times) longer than tc’III–IV. Lengths of setae: vi 70; ve 195; si 195; se 235; c1 275; c2 230; d1 50; d2 145; e2 50; f2 55; tc’III–IV 70; tc”III–IV 85; 3b 70; 3c 115.

Type material. Female holotype, 10 female and 1 male paratypes ( AVB 07-0110-004) from Corvus frugilegus Linnaeus ( Passeriformes : Corvidae ); KAZAKHSTAN: Ongtustik Qazaqstan , Chockpak Ornithological Station, 1134 m, 42°30'45.2"N, 70°35'46.2"E, 1 October 2007, coll. A. Bochkov.

Type depository. Holotype, 6 female and 1 male paratypes are deposited at ZISP; 2 female paratypes at AMU; 2 female paratypes at UMMZ.

Etymology. The name alpha refers to the first species in this new genus.

Figures

FIGURES 1, 2. Corvitorotroglus alpha sp. nov. Female. 1. Dorsal view; 2. Ventral view.

FIGURES 3–5. Corvitorotroglus alpha sp. nov. Male. 3. Dorsal view; 4. Ventral view; 5. Genito-anal region.

FIGURES 6–13. Corvitorotroglus alpha sp. nov. Female. 6. Hypostomal apex in dorsal view; 7. Peritremes; 8. Coxal field of legs I and II; 9 Fan-like seta p’III. Male. 10. Hypostomal apex in dorsal view; 11. Peritremes; 12. Fan-like seta p’III. 13. Coxal fields of legs I and II of Torotrogla merulae Skoracki et al.