Picobia caudati Skoracki and Hebda, 2004

Skoracki, Maciej, 2011, Quill mites (Acari: Syringophilidae) of the Palaearctic region 2840, Zootaxa 2840 (1), pp. 1-414 : 352-354

Picobia caudati Skoracki and Hebda, 2004

( Figs. 261 and 262 )

Picobia caudati Skoracki and Hebda, 2004: 2 , figs. 1–10.

Type host: Aegithalos caudatus (Linnaeus) ( Passeriformes : Aegithalidae ). Type locality: Poland. PHYSOGASTRIC FEMALE (holotype and 3 paratypes). Body worm-shaped outline, 665–685 long. Gnathosoma . Hypostomal apex rounded. Infracapitulum apunctate. Peritremes M-shaped, each medial branch with 2–3 chambers, each lateral branch with 5–7 chambers. Movable cheliceral digit edentate in posterior part. Stylophore 140 long. Idiosoma . Propodonotal shield divided longitudinally into 2 narrow lateral shields, punctate, 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 1:1:1.5. Setae c1 located anterior to level of setae se. Setae d1 situated equidistant to setae d2 and e2. Setae d2 slightly (1.1–1.3 times) longer than e2. Pygidial shield divided longitudinally, weakly developed, apunctate. Setae f1 and f2 subequal in length or setae f2 slightly (1.2–1.4 times) longer than f1. Setae h1 and f1 subequal in length. Setae h2 about 10 times longer than h1. Alveoles of setae 3a–3a not coalesced. Genital plate present. Aggenital setae ag1 and ag2 situated at same transverse level or setae ag1 situated slightly posterior to level of setae ag2. Length ratio of setae ag1: ag2: ag3 1.3:1:2.3. Setae ps1 and ps2 subequal in length. Setae g1 hair-like, situated on genital lobes. Coxal fields I–II well developed, III and IV weakly developed, sparsely punctate. Setae 3c 3–3.5 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 1.4 times longer than tc’ III–IV. Lengths of setae: vi 60–75, ve 60–75, si 100, se 170–180, c1 170–175, c2 170–175, d1 90–105, d2 90–115, e2 80–90, f1 30, f2 30–50, h1 25–30, h2 225, ps1 and ps2 7, g1 30, 1a 30–35, 3a 25–30, ag1 60–65, ag2 35–45, ag3 90, l’RIII and l’RIV 20, tc’III–IV 40, tc”III–IV 55, 3b 20, 3c 60–70.

MALE. Unknown.

Type material examined. Aegithalos caudatus (Linnaeus) ( Passeriformes : Aegithalidae ): female holotype (physogastric form) and 4 female (physogastric form) paratypes ( AMU –SYR.111) (bod.); POLAND, Opolskie, Popielow near Opole, 16 March 2004, coll. G. Hebda.

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

Host range and habitat. Monoxenous species inhabiting body quills of Aegithalos caudatus .

Distribution. Poland.

Figures

FIGURE 261. Picobia caudati Skoracki and Hebda, female (physogastric form). A, dorsal view; B, ventral view.

FIGURE 262. Picobia caudati Skoracki and Hebda, female. A, gnathosoma in ventral view; B, peritremes; C, tarsus of leg I in dorsal view; D, tarsus of leg III in ventral view; E, tarsus of leg I in ventral view; F, coxal fields I and II; G, opisthosoma in ventral view; H, part of propodonotal shield with setae ve and si. Scale bars: F, G = 50 µm; A–E, H = 20 µm.