Rafapicobia ramphastos ( Fain, Bochkov and Mironov, 2000 ) Skoracki & Sikora & Spicer, 2016

Skoracki, Maciej, Sikora, Bozena & Spicer, Greg S., 2016, A review of the subfamily Picobiinae Johnston and Kethley, 1973 (Acariformes: Prostigmata: Syringophilidae), Zootaxa 4113 (1), pp. 1-95 : 73-75

Rafapicobia ramphastos ( Fain, Bochkov and Mironov, 2000) comb. nov.

( Fig. 59 )

Picobia ramphastos Fain et al., 2000: 65 , figs. 97–102. Types deposited in RBINS, RMCA and ZISP, examined.

Type host: Ramphastos sulfuratus Lesson ( Piciformes : Ramphastidae ). Type locality: Guatemala.

Redescription. FEMALE (3 paratypes). Gnathosoma . Infracapitulum apunctate. Each medial branch of peritremes with 4–6 chambers, each lateral branch with ill-visible borders between chambers. Movable cheliceral digit edentate on proximal end. Stylophore apunctate. Idiosoma . Propodonotal shield entire, punctate, concave on anterior margin. Setae vi, ve and si strongly beaded. Setae c1 and se situated at same transverse level. Hysteronotal shield absent. Pygidial shield densely punctate. Agenital and genital plates absent. Setae ag2 short. Pseudanal setae thin and minute. Coxal fields I–IV apunctate. Legs. Claws of legs III–IV equal in size. Measurements. Total body length 585–620. Length of stylophore 150–155. Lengths of setae: vi 40–45, ve 80–90, si 80–90, se 130–150, c1 190–200, c2 160–175; d1 105–120, d2 180–190, e2 145–170, f1 15–20, f2 35–45, h1 7–10, h2 395–410, ps1, ps2 and g1 10, ag1 130–155, ag2 15–20, ag3 125–135, tc’III–IV 30–35, tc”III–IV 55–60, l’RIII 15–20, 3b 25, 3c 70– 80. Length ratios of setae: vi: ve: si 1:1.7–1.8:1.8–2, d1: d2: e2 1:1.6–1.7:1.4, f1: f2 1:2.2–2.3, f1: h1 2:1, ag1: ag2: ag3 7.2–12.8:1:6.5–8.3, 3b: 3c 1:2.8–3.2, tc’III–IV: tc”III–IV 1:1.7–1.8.

MALE. Unknown.

Type material examined. Three female paratypes from Ramphastos sulfuratus Lesson ( Piciformes : Ramphastidae ), GUATEMALA: this bird died in the Zoo of Antwerp (Belgium), 7 March 2967, coll. A. Fain, all material in RBINS .

Additional material. Five females from Ramphastos vietellinus Lichtenstein ( Piciformes : Ramphastidae ), BRAZIL: Para, Rio Acara , 21 August 1910, coll. L. Mueller, all material in AMU and ZSM .

Host range and distribution. Oligoxenous species associated with the toucans of the genus Ramphastos ( Piciformes : Ramphastidae ): R. sulfuratus Lesson from Guatemala ( Fain et al. 2000) and R. vietellinus Lichtenstein [new host] from Brazil (present paper).

Figures

FIGURE 59. Rafapicobia ramphastos (Fain et al., 2000) comb. nov., female. A, dorsal view; B, ventral view; C, peritremes; D, seta si. Scale bars: A, B = 100 µm; C, D = 25 µm.