Neosyringophilopsis acanthizus, Skoracki, Maciej & Sikora, 2005

Skoracki, Maciej & Sikora, 2005, Neosyringophilopsis, a new genus of the subfamily Syringophilinae (Acari: Syringophilidae), Zootaxa 1052, pp. 21-28 : 23-25

Neosyringophilopsis acanthizus sp. nov.

Type material

Female holotype and three female paratypes from the Western Thornbill Acanthiza inornata Gould ( Passeriformes : Acanthizidae ). Australia, New Holland, no other data. Host specimen is deposited at ( NMW). Holotype and two female paratypes are deposited at UAM, female paratype at ZIN.

Description

Female ( Figs 1 –6): Total body length of holotype 645 (645–660 in three paratypes).

Gnathosoma: Hypostomal apex as in Fig. 3 . Chelicerae 120 (115–120) long. Each transverse branch of peritremes with 4–5 chambers, each longitudinal branch with 6–8 chambers ( Fig. 4 ). Stylophore constricted posteriorly, 180 (170–180) long. Idiosoma: Each propodosomal shield weakly sclerotized; bearing setae vi, ve and sci, all of these setae subequal in length. Setae sce set anterior to the level of setae d1, both situated on or near propodosomal shield. Setae d2 set 2 times closer to l2 than to l1. Pygidial shield with weakly sclerotized anterior margin, scarcely punctated. Setae d4 and l4 subequal in length. Genital setae g2 1.5–1.8 times longer than g1. Cuticular striations as in Figs. 1 and 2 . Legs: Epimeres I adjoining to epimeres II ( Fig. 5 ). All coxae punctated, I and II well sclerotized, III–IV weakly sclerotized. Setae tc’ and tc’’ of tarsi III–IV subequal in length. Setae p’ and p’’ of tarsi III and IV with 8 tines (Fig. 6). Length of setae: vi 25 (25–30); ve 30 (25–30); sci 30 (25–30); h 185; sce 185 (160–170); l2 150 (160–185); l4 205 (225); l5 (230); d1 215 (185–200); d2 170 (150); d4 (205); a1 20 (20); a2 25 (25); g1 (30–35); g2 (50–55); pg1 125; pg2 85 (75–90); pg3 145 (120); sc3 30 (25–30); sc4 20 (20–30); tc’ and tc’’ of tarsi III–IV 35 (35); cxIII1 35 (25–30); cxIII2 50 (60).

Male: unknown Etymology

The name acanthizus refers to the generic name of the host – Acathniza inornata

Differential diagnosis

This new species is closely related to N. garrulaxi (Bochkov et al., 2001) comb. nov. described from Garrulax affinis Blyth ( Passeriformes : Timaliidae ) from Nepal (Bochkov et al. 2001). In both species females have long setae d4, more than 150, and setae vi, ve and sci subequal in the length.

Neosyringophilopsis acanthizus sp. nov. is distinguished from N. garrulaxi comb. nov. by the following characters: in females of N. acanthizus sp. nov., the total body length is 645–660; the length of the stylophore is 170–180; the ratio of setae d4:l4 is 1:1; the length of chelicerae is 115–120. In females of N. garrulaxi comb. nov., the total body length is 915–930 (in two paratypes from A.V. Bochkov coll.); the length of the stylophore is 265– 270; the ratio of setae d4:l4 is 1:1.6; the length of chelicerae is 200.

Figures

FIGURES 1, 2. Neosyringophilopsis acanthizus gen. nov., sp. nov. Female. 1 — Dorsal view; 2 — Ventral view.

FIGURES 3 – 5. Neosyringophilopsis acanthizus gen. nov., sp. nov. Female. 3 — Hypostomal apex; 4 — Peritreme; 5 — Epimeres of legs I and II; 6 — Fan­like seta of legs III.