Corvitorotroglus alpha Skoracki and Bochkov, 2010

Skoracki, Maciej, 2011, Quill mites (Acari: Syringophilidae) of the Palaearctic region 2840, Zootaxa 2840 (1), pp. 1-414 : 252-255

Corvitorotroglus alpha Skoracki and Bochkov, 2010

( Figs. 185–187 )

Corvitorotroglus alpha Skoracki and Bochkov, 2010: 54 , figs. 1–12.

Type host: Corvus frugilegus Linnaeus ( Passeriformes : Corvidae ). Type locality: Kazakhstan. FEMALE (holotype and 3 paratypes). Total body length 1105–1145. Gnathosoma . Hypostomal apex with pair of bill-like and blunt-ended protuberances. Stylophore apunctate, 305–400 long. Each medial branch of peritremes with 7–8 chambers, each lateral branch with 4–6 chambers. Movable cheliceral digit 220–225 long. Idiosoma . Propodonotal shield well sclerotized, concave on anterior margin, laterally punctate, bearing bases of setae vi, ve, si and c1. Length ratio of setae vi:ve:si 1:2:2.8. Hysteronotal shield fused to pygidial shield, with concave anterior margin, apunctate, bearing bases of setae d1. Bases of setae d1 set half distance to d2 than to e2. Number of aggenital setae varriable (5–6 pairs), all longer than 300. Genital and pseudanal setae subequal in length. Coxal fields I and II well sclerotized, apunctate, III and IV weakly sclerotized, striae visible, apunctate. Setae 3c about 1.5 times longer than 3b. Legs. Apodemes I fused to apodemes II in middle part of apodemes II. Seta l’RI extending to genua, l’RII extending to tibia or tarsus, l’RIII and l’RIV extending to 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. Lengths of setae: vi 90–95, ve 175– 180, si 260–305, se 290–320, c1 335–370, c2 320–335, d1 235, d2 270–285, e2 285–370, f1 55–65, f2 505–545, h1 50–55, h2 520–545, ps1 and ps2 30, g1 and g2 25–30, ag1–6 305–375, 3b 90–105, 3c 135–150, l’RI 45, l’RII 70, l’RIII 85–95, l’RIV 60–90, tc’III–IV 80–85, tc”III–IV 80–90.

MALE (1 paratype). Total body length 820. Gnathosoma . Hypostomal apex with pair of bill-like and bluntended protuberances. Each medial branch of peritremes with with 3–4 chambers, each lateral branch with 7 chambers. Stylophore apunctate, 280 long. Idiosoma . Propodonotal shield concave on anterior margin, covered by minute punctation, bearing bases of setae vi, ve, si and c1. Setae ve and si 2.8 times longer than vi. Hysteronotal shield apunctate, bearing bases of setae d1, e2, f2 and h2. Setae g1 and g2 located at same transverse level. Bases of setae d1 situated 1.5 times closer to d2 than to e2. Setae d2 2.9 times longer than d1 and e2. Aggenital series with 4–5 pairs of setae. Setae 3c 1.6 times longer than 3b. Legs. All coxal fields weakly sclerotized, apunctate. Fan-like setae p’ and p” of legs III and IV with 11–12 tines. 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 examined. Corvus frugilegus Linnaeus ( Passeriformes : Corviidae): female holotype and paratypes: 3 females and 1 male ( AVB 07–0110–004); KAZAKHSTAN, Ongtustik Qazaqstan , Chockpak Ornithological Station, elevation 1134 m. (42°30'45.2"N, 70°35'46.2"E), 1 October 2007, A.V. Bochkov .

Type material deposition. Holotype deposited in the ZISP, paratypes in the ZISP and AMU.

Host range and habitat. Monoxenous species inhabiting quills of secondary feathers of Corvus frugilegus .

Distribution. Kazakhstan.

Figures

FIGURE 185. Corvitorotroglus alpha Skoracki and Bochkov, female. A, dorsal view; B, ventral view.

FIGURE 186. Corvitorotroglus alpha Skoracki and Bochkov, male. A, dorsal view; B, ventral view.

FIGURE 187. Corvitorotroglus alpha Skoracki and Bochkov, female (A–D). A, hypostomal apex; B, peritremes; C, coxal fields I and II; D, fan-like setae p’ of leg III. Male (E–H). E, hypostomal apex; F, peritremes; G, genito-anal region; H, fan-like setae p’ of leg III. Scale bars: C = 50 µm; A, B, D–H = 20 µm.