Atelophyllodes atyeoi, Mironov, Sergey V. & Proctor, Heather C., 2009

Mironov, Sergey V. & Proctor, Heather C., 2009, Atelophyllodes gen. n., a new feather mite genus of the family Proctophyllodidae (Astigmata: Analgoidea) from lyrebirds (Passeriformes: Menuridae), Zootaxa 2326, pp. 51-61 : 57-59

Atelophyllodes atyeoi sp. n.

( Figs 4 , 5 , 6 F–I)

Type material. Male holotype and 3 female paratypes from Menura alberti Bonaparte, 1850 (Queensland Museum accession number O.4427), Australia, Queensland, Acacia Plateau, 152º 18’E, 28º 20’ S; 28 August 1947, collector unknown. Holotype (Queensland Museum accession number S88090 ) and 2 female paratypes ( S88091 , S88092 )—QM; 1 female paratype—ZISP.

Male (holotype). Idiosoma, length x width, 392 x 177, length of hysterosoma 265. Prodorsal shield: lateral margins without incisions, antero-lateral extensions short and acute, posterior margin slightly concave, length of shield 122, width at posterior margin 110, surface uniformly punctate, with several dash-like lacunae in anterior part ( Fig. 5 A). Scapular setae se separated by 69. Scapular shields wide. Setae c1 on soft tegument or on anterior margin of hysteronotal shield. Setae c2 situated on anterior margin of humeral shields. Subhumeral setae c3 lanceolate, 26 x 4.5. Hysteronotal shield: greatest length 258 (214–225), width at anterior margin 120, anterior margin concave, surface punctate, with small dash- and pit-like lacunae. Distance between prodorsal and hysteronotal shields 20. Opisthosomal lobes wider than long, posterior margin with 3 truncate extensions bearing bases of setae h2, h3, ps1. Setae h2 missing in holotype. Terminal cleft angle-shaped, wide, with rounded anterior end, 31 in length. Supranal concavity semi-ovate, open posteriorly. Setae f2 lanceolate, 10 x 3.5, situated posterior to level of ps2. Setae h1 slightly anterior to level of anterior end of terminal cleft. Setae ps1 lanceolate, 10 x 3.5, situated on margins of terminal cleft slightly anterior to level of setae h3. Distance between dorsal setae: c2:d2 98, d2: e2 93, e2:h3 65, d1:d2 51, e1: e2 22, h1:ps2 14, f2:f2 88, h2:h2 73, h3:h3 53, ps1:ps1 33, ps2:ps2 100.

Sternum about 1/3 of total length of epimerites I ( Fig. 5 B). Epimerites I–IV without wide sclerotized areas. Sclerotized area of epimerites IIa with narrow longitudinal membrane. Epimerites IIIa extending to level of subhumeral setae c3. Epimerites IV with triangle-shaped sclerotized area at bases of trochanters IV. Epimerites IVa absent. Genital apparatus at level of trochanters IV. Genital arch 13 in length, 31 in width at base. Aedeagus short, dagger-shaped,, 22 in length, extending slightly beyond base of arch, but does not extending to setae g. Genital papillae free, arranged in almost transverse row. Anal suckers large, cylindrical, slightly curved, with thickened corolla, 22 long, 23 in diameter at apical part, corolla with several small indentations. Adanal shields as small plates around bases of setae ps3. Distance between ventral setae: 3b:3a 13, 3a: 4a 46, 4 a: g 64, g: ps3 42, ps3: ps3 22, ps3: h3 51.

Genual setae cG I narrowly lanceolate; setae cG II, mG I, mG II thickened basally, with filiform apex ( Figs. 6 F, G). Solenidion σ 1 of genu III approximately at midlevel of segment. Solenidion ϕ of tibia IV extending to distal margin of ambulacral disc. Tarsus IV 51 long, with short apical extension; seta d situated at level of distal third of segment, seta e on apical extension ( Fig. 6 H).

Female (range of measurements for 3 paratypes). Idiosoma, length x width, 445–462 x 200–210, length of hysterosoma 305–320. Prodorsal shield: lateral margins without incisions, antero-lateral extensions fused with bases of epimerites Ia, posterior margin slightly concave, surface punctate, with small dash- and pit-like lacunae in posterior part, length along midline 130–137, width at posterior margin 140–145 ( Fig. 5 A). Setae se separated by 90–95. Scapular shields wide. Setae c1 on soft tegument or on anterior margin of hysteronotal shield. Setae c2 on anterior margin of humeral shields. Setae c3 lanceolate, 22–24 x 7. Distance between prodorsal and hysteronotal shields 12–15. Hysteronotal shield entire, anterior margin straight or slightly concave, total length 310–320, length from anterior margin to anterior end of terminal cleft 263–280, width at anterior margin 135–140, surface punctate, with sparse dash-like lacunae in median part. Width of lobar region at level of setae h2 95–97. Terminal cleft V-shaped with rounded bottom, length 44–46, width at level of setae ps 1 17–20. Supranal concavity circular. Setae h1 anterior to level of supranal concavity. Setae ps1 lanceolate, 22–23 x 4, situated on margins of terminal cleft, closer to level of setae h3. Setae h2 about 100 long (retained only in one paratype). Setae h3 setiform, 40 long, about 1/3 length of terminal appendages.

Distance between dorsal setae: c2:d2 93–98, d2:e2 105–110, e2:h2 62–66, h2:h 3 26–28, d1:d2 44–45, e1: e2 60–64, h1:h2 43–44, h1:h1 53–58, h2:h2 82–85, h3:h3 46–55, h2:ps 1 13–17.

Sternum about 1/3 of total length of epimerites I ( Fig. 5 B). Epimerites I–IV without large sclerotized areas. Sclerotized area of epimerites IIa with narrow longitudinal membrane (in some individuals, this membrane may be short or absent on one side of body). Epimerites IVa absent. Translobar apodemes of opisthosomal lobes present, fused to each other anterior to terminal cleft. Epigynum thick bow-shaped, length 35–38, width 64–67. Copulatory opening represented by small slit in central part of supranal concavity; spermatheca and spermaducts as in Fig 6 I. Distance between pseudanal setae: ps2:ps2 40–44, ps3:ps 3 15–17, ps2:ps 3 15–18. Setae ps2 situated at midlevel of anal opening.

General structure of legs I–IV as in male, except for relatively longer tarsi. Setae d, f of tarsi III,IV subequal in length, corresponding setae e noticeably shorter. Solenidion ϕ of tibia IV slightly shorter than that on tibia III.

Etymology. This species is named in honour of Tom Atyeo, one of the greatest feather mite systematists, who passed away in October 2008.

Figures

FIGURE 4. Atelophyllodes atyeoi sp. n., male. A—dorsal view, B—ventral view.

FIGURE 5. Atelophyllodes atyeoi sp. n., female. A—dorsal view, B—ventral view.

FIGURE 6. Atelophyllodes species, details. A – E— Atelophyllodes menurae sp. n., F – I A. atyeoi sp. n. A—tarsus I of female, B—tarsus II of female, C—tibia and tarsus III of female, D—tibia and tarsus IV of female, E—spermatheca and spermaducts, F—femur and genu I of male, G—femur and genu II of male, H—tibia and tarsus IV of male, Ispermatheca and spermaducts. co—copulatory opening, hs—head of spermatheca, pd—primary spermduct, sdsecondary spermduct.