Picobia currucae Skoracki and Magowski, 2001

Skoracki, Maciej, 2011, Quill mites (Acari: Syringophilidae) of the Palaearctic region 2840, Zootaxa 2840 (1), pp. 1-414 : 348-351

Picobia currucae Skoracki and Magowski, 2001

( Figs. 258–260 )

Picobia currucae Skoracki and Magowski, 2001: 116 , figs. 9–15.

Type host: Sylvia curruca (Linaneus) ( Passeriformes : Sylviidae ). Type locality: Poland.

NON-PHYSOGASTRIC FEMALE (2 specimens from additional host— Sylvia nisoria ). Total body length 500– 535. Gnathosoma . Hypostomal apex rounded. Infracapitulum apunctate. Peritremes M-shaped, each medial branch with 2–3 chambers, each lateral branch with clearly visible 5–6 chambers. Movable cheliceral digit edentate in posterior part. Stylophore 150–165 long. Idiosoma . Propodonotal shield divided longitudinally into 2 narrow lateral shields, apunctate, bearing bases of setae ve, si and se. Unpaired median shield absent. Setae vi situated slightly posterior to level of setae ve. All propodonotal setae strongly beaded. Length ratio of setae vi: ve: si 1–1.2:1:1.3. Setae c1 located anterior to level of setae se. Setae d1 situated equidistant to setae d2 and e2 or slightly closer to e2 than to d2. Setae d2 slightly (1.2–1.3 times) longer than e2. Pygidial shield divided longitudinally, well developed, punctate. Setae f2 slightly (1.2 times) longer than f1. Setae h1 and f1 subequal in length. Alveoles of setae 3a–3a not coalesced. Genital plate punctate. Aggenital setae ag1 and ag2 situated at same transverse level. Length ratio of setae ag1: ag2: ag3 1.2–1.4:1:2. Setae ps2 1.3 times longer than ps1. Setae g1 hair-like, situated on genital lobes. Coxal fields I–IV well developed, I punctate, II–IV apunctate. Setae 3c 3–4 times longer than 3b. Legs. Most of dorsal setae of legs I and II lightly beaded. Antaxial and paraxial members of claws pair III and IV unequal in size. Setae tc”III–IV not significantly longer than tc’ III–IV. Lengths of setae: vi 95–100, ve 80–85, si 100–115, se 170– 185, c1 180–200, c2 160–170, d1 75–100, d2 100–105, e2 80–85, f1 35–45, f2 50–55, h1 35, ps1 15–20, ps2 20– 25, g1 50–60, 1a 30–35, 3a 30–35, ag1 50–60, ag2 50–60, ag3 100–110, l’RIII and l’RIV 15–20, tc’III–IV 45, tc”III–IV 50, 3b 15–20, 3c 60.

PHYSOGASTRIC FEMALE (4 paratypes). Body worm-shaped outline, 535–700 long. Morphology of body and legs as in non-physogastric form.

MALE. Unknown.

Type material examined. Sylvia curruca (Linnaeus) ( Passeriformes : Sylviidae ): female holotype (physogastric forms), 4 female paratypes (physogastric forms) ( AMU –SYR.8A) (bod.); POLAND, Pomorskie, Kuznica-Hel (54°21'N, 16°17'E), 3 April 1998, coll. M. Skoracki and W. Busse.

Type material deposition. All type material deposited in the AMU, except 1 female paratype in the ZISP .

Non-type material examined. Type host species: 1 female (physogastric form) and 1 male ( AMU –SYR.8B) (bod.); POLAND, Zachodniopomorskie, Darlowko Wschodnie, Bukowo-Kopan, 20 April 2001, coll. M. Skoracki. Material deposited in the AMU. Same host species: 2 females (physogastric forms) ( AMU –SYR.8C) (bod.); JOR- DAN, Al-Dhleil near Amman, 15 March 2003, coll. M. Skoracki. Material deposited in the AMU. Sylvia hortensis (Gmelin) (Sylviidae) : 5 females (physogastric form) ( AMU –SYR.284) (bod.); JORDAN, Al-Dhleil near Amman, 19 March 2003, coll. M. Skoracki. Material deposited in the AMU. Sylvia nisoria (Bechstein) (Sylviidae) : 2 females (non-physogastric form) ( AMU –SYR.285) (bod.); TURKEY, Yukari Cyirikli, May 2007, coll. A. Badek. Material deposited in the AMU.

Host range and habitat. Oligoxenous species inhabiting quills of body feathers of three sylviid species: Sylvia curruca , S. hortensis and S. nisoria .

Distribution. Poland, Turkey and Jordan.

Figures

FIGURE 258. Picobia currucae Skoracki and Magowski, female (non-physogastric form). A, dorsal view; B, ventral view.

FIGURE 259. Picobia currucae Skoracki and Magowski, female (physogastric form). A, dorsal view; B, ventral view.

FIGURE 260. Picobia currucae Skoracki and Magowski, female. A, hypostomal apex; B, peritremes; C, propodonotal setae ve; D, opisthosoma in ventral view; E, opisthosoma in dorsal view; F, coxal fields I and II; G, solenidia of leg I; H, tarsus of leg III in ventral view. Scale bars: D, E = 100 µm; F, H = 50 µm; A–C, G, H = 20 µm.