New taxa of the subfamily Picobiinae (Cheyletoidea: Syringophilidae) parasitizing antbirds and gnateaters (Passeriformes: Thamnophilidae, Conopophagidae) in Guyana Author Glowska, Eliza Author Schmidt, Brian K. text Zootaxa 2014 3861 2 193 200 journal article 10.11646/zootaxa.3861.2.7 2860a7cd-a217-47be-8094-25d6573fe0d8 1175-5326 227931 EBC2031A-D465-4C96-A2BC-12A413EEDF96 Phipicobia pygiptilae sp. nov. ( Figs. 1–5 ) PHYSOGASTRIC FEMALE. Total body length 930 ( 985–1000 in 9 paratypes ). Gnathosoma . Hypostomal apex rounded with shoulders ( Fig. 3 ). Infracapitulum apunctate. Peritremes M-shaped. Borders between chambers poorly visible. Each medial branch with about 8–9 chambers, each lateral with 5–7 chambers ( Fig. 4 ). Stylophore 185 (180–195) long, punctate in anterior part. Idiosoma . Propodonotal shield divided into 3 sclerites, unpaired central and 2 narrow punctate lateral sclerites bearing bases of setae vi , ve , si and se . Setae vi bases situated anterior to ve bases. Length ratio of setae vi : ve : si 1:1–1.2:2.4–3.3. Bases of setae se situated anterior to c1 . Hysteronotal shield absent. Setae d1 bases situated equidistant to e2 and d2 . Setae d2 , d1 and e2 subequal in length. Pygidial and genital regions strongly striated. Lengths ratio of setae f1 : f2 1:2.6–3.4, h1 : h2 1:1.5, f1 : h1 1:4, f2 : h2 1:1.7. Length ratio of g1 : g2 1:2–4. Aggenital setae ag1 and ag2 situated almost at same transverse level, ag3 posterior to ag1 and ag2 . Length ratio of ag1 : ag2 : ag3 1:1.1–1.3:1.5–1.7. Legs. All coxal fields strongly sclerotized, sparsely punctate. Setae 3c 4.5–5 times longer than 3b . Antaxial and paraxial members of claws pairs III–IV subequal in size and shape. Setae tc’ and tc’’ of legs III–IV subequal in length. Lengths of setae: vi 30 (25–45), ve 40 (35–45), si (95–120), c2 220 (200–210), se 180 (160–205), c1 210 (200–230), d2 255 (215–150), d1 245 (230–270), e2 230 (205–255), f1 60 (50–70), f2 195 (170–195), h1 (195), h2 (290), ag1 95 (100–130), ag2 110 (105–130), ag3 170 (155–170), g1 45 (40–65), g2 20 (10–20), tc’ III–IV (65-70), tc” III–IV (70–75), l’RIII 20 (20–30), l’RIV 15 (15–20), 3b 20 (20–25), 3c 125 (105–120), 4b 25 (20–30), 4c 115 (100–130). MALE. Unknown. Etymology: The specific epithet pygiptilae derives from the generic name of the host. Type material. Female holotype (physogastric form) and 9 female paratypes (physogastric forms) from quills of body feathers of Pygiptila stellaris (Spix) ( USNM 637200) ( Passeriformes : Thamnophilidae ), GUYANA : Upper Takutu - Upper Essequibo , Upper Rewa River, 10 August 2006 , coll. B. K. Schmidt. Material deposition. Holotype female and 4 female paratypes are deposited in the USNM , 5 female paratypes in AMU.