Syringophilopsis acrocephali Skoracki, 1999

Skoracki, Maciej, 2011, Quill mites (Acari: Syringophilidae) of the Palaearctic region 2840, Zootaxa 2840 (1), pp. 1-414 : 179-182

Syringophilopsis acrocephali Skoracki, 1999

( Figs. 132 and 133 )

Syringophilopsis acrocephali Skoracki, 1999a: 160 , figs. 8–10.

Type host: Acrocephalus scirpaceus (Hermann) ( Passeriformes : Sylviidae ). Type locality: Poland.

FEMALE (holotype and 5 paratypes). Total body length 815–870. Gnathosoma . Infracapitulum apunctate. Hypostomal apex with 1 pair of short and sharp-ended protuberances. Each medial branch of peritremes with 4–5 chambers, each lateral branch with 9–11 chambers. Length of stylophore and movable cheliceral digit 195–215 and 155– 165 respectively. Idiosoma . Propodonotal shield sculptured and sparsely punctate near bases of setae ve and si, bearing bases of setae vi, ve, si and c1. Length ratio of setae vi:ve:si 1:4–4.5:5.5–6. Setae se and c1 located at same transverse level. Hysteronotal shields absent. Pygidial shield present, apunctate. Genital setae shorter than aggenital setae. Length ratio of setae g1:ag2 1:1.5. Setae ag1 slightly shorter (1.2 times) than ag2. Coxal fields I–IV sparsely punctate or without punctation. Setae 3c 1.7 times longer than 3b. Legs. Fan-like setae p’ and p” of legs III and IV with 13–15 tines. Setae tc” of legs III and IV slightly (1.2 times) longer than tc’III–IV. Apodemes I fused to apodemes II in anterior part of apodemes II. Lengths of setae: vi 50–60, ve 230–240, si 305–330, c1 285–330, c2 300–350, se 305–350, d1 305–315, d2 330–375, e2 305–330, f1 115–140, f2 390–400, h1 140–175, h2 400–425, ps1 and ps2 35–40, g1 and g2 95–105, ag1 130–140, ag2 165, ag3 260, l’RIII and l’RIV 30–35, tc’III–IV 60–70, tc”III–IV 70–85, 3b 70–80, 3c 125–130.

MALE (2 specimens from additional host species— A. schoenobaenus from Egypt). Total body length 570– 640. Gnathosoma . Hypostomal apex with pair of short and blunt-ended protuberances. Each medial branch of peritremes with 4 chambers, each lateral branch with 10–11 chambers. Length of apunctate stylophore and movable cheliceral digit 165–170 and 125–130 respectively. Idiosoma . Propodonotal shield, lightly sculptured and laterally punctate, bearing bases of setae vi, ve, si and c1. Setae se situated slightly anterior to level of setae c1. Length ratio of setae vi:ve:si 1:1–1.3:5.1. Hysteronotal shield fused to pygidial shield. Setae d2 2.3 times longer than e2. Setae h2 5.4 times longer than f2. Coxal fields I–IV apunctate. Setae 3c 1.8 times longer than 3b. Legs. Fan-like seta p’ and p” of legs III and IV with 10–11 tines. Setae tc” of legs III and IV 1.4 times longer than tc’III–IV. Lengths of setae: vi 30–35, ve 35–40, si 180, se 190, c1 145–195, c2 175–190, d2 80, e2 35, h2 190, f2 35–40, ag1 95–115, ag2 65–70, ag3 70, l’RIII 45–65, l’RIV 40–55, tc’III–IV 35, tc”III–IV 50, 3b 55–65, 3c 95–115.

Type material examined. Acrocephalus scirpaceus (Hermann) ( Passeriformes : Sylviidae ): female holotype and 5 female paratypes ( AMU –SYR.27) (sec.); POLAND, Pomorskie, Mierzeja Wislana , 6 September 1999, coll. M. Skoracki.

Type material deposition. All material deposited in the AMU.

Non-type material examined. Acrocephalus schoenobaenus (Linnaeus) (Sylviidae) : 8 females, 5 nymphs ( AMU –SYR.42A) (Sec.); POLAND, Zachodniopomorskie, Weltyn , July 2001, coll. G. Kiljan. Material deposited in the AMU . Same host species: 3 females, 2 males and 10 nymphs ( AMU –SYR.42B) (sec.); EGYPT, Burulus , 27 March 2007, coll. A. Badek. Material deposited in the AMU and RMCA . Acrocephalus palustris (Bechstein) (Sylviidae) : 2 females ( AMU –SYR.43A) (sec.); POLAND, Zachodniopomorskie, Swinoujscie , April 2001, coll. G. Kiljan and 3 females, 4 nymphs ( AMU –SYR.43B) (sec.); POLAND, Zachodniopomorskie, Miedzyodrze, 4 August 2007, coll. G. Kiljan. Material deposited in the AMU .

Host range and habitat. Oligoxenous species inhabiting quills of secondary feathers of sylviid birds of the genus Acrocephalus : A. scirpaceus , A. schoenobaenus , A. palustris .

Distribution. Poland and Egypt.

Figures

FIGURE 132. Syringophilopsis acrocephali Skoracki, female. A, dorsal view; B, ventral view.

FIGURE 133. Syringophilopsis acrocephali Skoracki, male (A–C). A, dorsal view; B, peritreme; C, fan-like setae p’ of leg III. Female (D–F). D, hypostomal apex; E, peritreme; F, fan-like setae p’ of leg III. Scale bars: A = 100 µm; B–F = 20 µm.