Anachipteria svetlanae, Ermilov, Sergey G. & Anichkin, Alexander E., 2014

Ermilov, Sergey G. & Anichkin, Alexander E., 2014, Taxonomic study of oribatid mites (Acari, Oribatida) of Bi Dup — Nui Ba National Park (southern Vietnam), Zootaxa 3834 (1), pp. 1-86 : 45-51

Anachipteria svetlanae sp. nov.

( Figures 29–33 )

With characters of the genus Anachipteria Grandjean, 1932 as summarized by Lindo et al. (2008).

Diagnosis. Body size 332–381 × 182–232. Body surface foveolate, epimeral region with reticulate pattern. Lamellae with lateral point anteriorly. Bothridial setae long, with well developed, dilated unilaterally, pointed, smooth head. Interlamellar setae short. Notogastral setae of medium size, setiform, thin. Notogastral porose areas and sacculi absent. Legs monodactylous.

Description. Measurements. Body length 365 (holotype: female), 332–381 (three paratypes: two females and one male); body width 199 (holotype), 182–232 (three paratypes).

Integument. Body color brown. Body surface distinctly foveolate (diameter of foveolae up to 4). Epimeral region with weakly developed reticulate pattern.

Prodorsum. Rostrum rounded. Longitudinal ridge present near rostrum. Lamellae with lateral point anteriorly. Rostral setae (61–69) setiform, barbed. Lamellar setae (28–36) setiform, smooth. Interlamellar setae short (8–12), setiform, with indistinct barbs. Bothridial setae (61–69) with long stalk and well developed, dilated unilaterally, pointed, smooth head. Exobothridial setae and their alveoli not found. Tutoria knife-like.

Notogaster. Anterior notogastral margin convex medially. Dorsophragmata (D) large, rounded anteriorly. Pteromorphs with lateral point. Ten pairs of notogastral setae of medium size, setiform, smooth: p 1, p 2, p 3 (16–20) shorter than others (41–49). Notogastral porose areas and sacculi absent. Lyrifissures and opisthonotal gland openings weakly visible.

Gnathosoma. Subcapitulum longer than wide (92 × 69). Subcapitular setae setiform, slightly barbed; m (28–32) longer than a and h (both 20–24). Two pairs of adoral setae (16) setiform, slightly barbed. Palps (65–69) with setation 0–2–1–3–9(+ω). Solenidion shorter than half of palptarsus length, straight, thickened, weakly dilated distally, attached to eupathidium. Chelicerae (98–102) with two barbed setae; cha (36) longer than chb (20). Trägårdh’s organ distinct.

Epimeral and lateral podosomal regions. Genal teeth (gt) rectangular, with tapered tip. Apodemes (1, 2, sejugal, 3) well visible. Epimeral setal formula: 3–1–3–3. Setae 3c, 4c represented by alveoli. Setae 1b (28–32) longer than 4a (24–28), 3a, 3b (20–23) and 1a, 1c, 2a, 4b (4); all simple, smooth. Custodia and discidia not generated. Circumpedal carinae distinct.

Anogenital region. Six pairs of genital (g 1– g 4, 20–24; g 5, g 6, 16), one pair of aggenital (20–24), two pairs of anal (16–18) and three pairs of adanal (16) setae setiform, smooth. Adanal setae ad 3 inserted laterally to lyrifissures iad. Ovipositor elongate (114–130 × 32–36); length of lobes 49–57, length of cylindrical distal part 65–73. Each lobes with four thin, smooth setae: ψ1 ≈ τ1 (32) longer than ψ2 ≈ τ a ≈ τ b ≈ τ c (8–12). Coronal setae (k) present (6–8), setiform, smooth.

Legs. Monodactylous; claws smooth. Formulae of leg setation and solenidia: I (1–5–2–4–20) [1–2–2], II (1–5–2–4–15) [1–1–2], III (2–2–1–2–15) [1–1–0], IV (1–2–2–2–12) [0–1–0]; homologies of setae and solenidia indicated in Table 9 . Setae l’ on femora III and tibiae III, IV absent.

Type material. Collection data for holotype (female): locality 2 (litter); collection data for three paratypes (two females and one male): locality 2 (litter).

Type deposition. The holotype is deposited in the collection of the Zoological Institute of the Russian Academy of Sciences, St. Petersburg, Russia; two paratypes are deposited in the collection of the Siberian Zoological Museum, Novosibirsk, Russia; one paratype is deposited in the collection of the Tyumen State University Museum of Zoology, Tyumen, Russia.

See Table 2 for explanations.

Etymology. The specific name is dedicated to wife of the first author, Svetlana A. Ermilova, for her constant assistance in scientific research.

Remarks. The genus Anachipteria comprises 18 species, which are distributed in the Holarctic, Oriental and Neotropical regions (data summarized by Subías 2004, updated 2014).

Anachipteria svetlanae sp. nov. is distinguishable from all known species of Anachipteria by the presence of densely foveolate of body surface (versus without foveolate surface), absence of porose areas and sacculi (versus porose areas or sacculi present) and monodactylous legs (versus tridactylous).

Figures

FIGURE 29. Anachipteria svetlanae sp. nov., adult: A—dorsal view; B—lateral view of prodorsum and anterior part of notogaster (legs I, II not illustrated). Scale bar 100 Μm.

FIGURE 30. Anachipteria svetlanae sp. nov., adult: A—ventral view (gnathosoma and legs not illustrated); B—posterior view of notogaster. Scale bar 100 Μm.

FIGURE 31. Anachipteria svetlanae sp. nov., adult: A—rostral seta; B—anterior part of lamella and lamellar seta; C—interlamellar seta and dorsophragmata; D—bothridial seta; E—tutorium; F—genal tooth; G—pteromorph, ventro-lateral view; H—pedotectum II and alveolus of epimeral seta 3 c. Scale bar (A – C) 10 Μm; scale bar (D – H) 20 Μm.

FIGURE 32. Anachipteria svetlanae sp. nov., adult: A—subcapitulum, left half, ventral view; B—palp; C—chelicera; D—ornamentation in epimeral region; E—genital plate, right; F—anal plate, right, and adanal setae; G—ovipositor. Scale bar (A – C, E, F) 20 Μm; scale bar (D) 10 Μm, scale bar (G) 50 Μm.

FIGURE 33. Anachipteria svetlanae sp. nov., adult: A—leg I, without trochanter, right, antiaxial view; B—leg IV, left, antiaxial view; C—seta s on tarsus II; D—seta s on tarsus III. Scale bar (A, B) 20 Μm; scale bar (C, D) 10 Μm.

Tables

TABLE 9. Leg setation and solenidia of Anachipteria svetlanae sp. nov.

Leg	Trochanter	Femur	Genu	Tibia	Tarsus
I	v'	d, (l), bv'', v''	(l), σ	(l), (v), φ1, φ2	(ft), (tc), (it), (p), (u), (a), s, (pv), v', (pl), l'', e, ω1, ω2
II	v'	d, (l), bv'', v''	(l), σ	(l), (v), φ	(ft), (tc), (it), (p), (u), (a), s, (pv), ω1, ω2
III	l', v'	d, ev'	l', σ	(v), φ	(ft), (tc), (it), (p), (u), (a), s, (pv)
IV	v'	d, ev'	d, l'	(v), φ	ft'', (tc), (p), (u), (a), s, (pv)