Diagnosis.

Body size: 946–1062 × 697–763. Body surface densely microfoveolate; anterior part of rostrum, subcapitular genae and leg segments III, IV with larger, sparse foveoles. Rostral, lamellar and interlamellar setae well developed, barbed. Bothridial setae setiform, slightly barbed. Saccular openings short. Subcapitular setae h and m longer than a; h thickest. Five pairs of genital setae present. Aggenital setae absent. Adanal setae short, ad₃ inserted in preanal position. Tridactylous.

Description.

Measurements. Body length: 1012 (holotype), 946–1062 (four paratypes); notogaster width: 697 (holotype), 713–763 (four paratypes).

Integument. Body color brown. Body surface densely microfoveolate (diameter of microfoveoles less than 1; visible only under high magnification in dissected specimens, × 1000). Anterior part of rostrum, subcapitular genae and leg segments III, IV with larger, sparse foveoles (their diameter up to 4).

Prodorsum. Rostrum weakly protruding, rounded. A small tubercle (tb) is present in medial part nearly to rostrum. Lamellae distinct, reaching the insertions of alveoli of lamellar setae. Rostral setae (ro, 118–131) setiform, barbed. Lamellar (le, 192–200) and interlamellar (in, 278–287) setae setiform, with short attenuate tip, barbed. Exobothridial setae short (8), thin, smooth. Bothridial setae (ss, 192–200) setiform, slightly barbed on dorsal side.

Notogaster. Anterior notogastral margin convex. Notogastral setae represented by 10 pairs of alveoli or microsetae (1). Four pairs of sacculi (Sa, S1–S3) present, their openings short, thin. Alveoli/microsetae lp inserted laterally to S1. Opisthonotal gland openings (gla) located laterally to sacculi S1. Lyrifissures im located between gla and setal alveolus lm.

Gnathosoma. Generally, morphology of subcapitulum, palps and chelicerae typical as for most Neoribates (Neoribates) (see for example Grishina and Vladimirova 2009; Ermilov and Kalúz 2013; Ermilov and Anichkin 2014). Subcapitulum longer than wide (188–196 × 143–147). Subcapitular setae setiform, slightly barbed; h (53–57) thicker than a (28–32), m (53–57) thinnest. Two pairs of adoral setae (20) setiform, densely bilaterally barbed. Palps (length 98) with setation 0–2–1–3–9(+ω). Solenidion attached to eupathidium. Chelicerae (length 188–196) with two barbed setae; cha (61) longer than chb (49). Trägårdh’s organ distinct.

Epimeral and lateral podosomal regions. Epimeral setal formula: 3–1–3–3. All setae setiform, slightly barbed; 1a, 1c, 2a, 3a (32–36) shorter than 1b, 3b, 4a, 4b (61–65) and 3c, 4c (77–86). Setae 1a, 2a, 3a located close to each other. Pedotecta I, II, discidia and circumpedal carinae (cp) normally developed.

Anogenital region. Five pairs of genital (g₁–g₅, 32–36), three pairs of adanal (ad₁–ad₃, 24–32) and two pairs of anal (an₁, an₂, 24–32) setae setiform, with sparse barbs. Genital setae g₁ and g₂ little thicker than g₃–g₅. Aggenital setae and their alveoli absent. Lyrifissures iad located in paraanal position, usually weakly diagonally to the anal aperture. Adanal setae ad₃ inserted in preanal position.

Legs. Generally, morphology of leg segments, setae and solenidia typical for Neoribates (Neoribates) (see for example: Travé 1972; Grishina and Vladimirova 2009; Ermilov and Anichkin 2014). Leg tarsi with three smooth claws. Formulae of leg setation and solenidia: I (1–5–3–4–20) [1–2–2], II (1–5–3–4–15) [1–1–2], III (2–3–1–3–15) [1–1–0], IV (1–2–2–4–12) [0–0–0]; homology of setae and solenidia indicated in Table 1. Famulus (ε) short, straight, weakly dilated distally, blunted, inserted between ω₂ and ft’’. Many setae well barbed. Solenidia ω₂ on tarsi I, ω₁, ω₂ on tarsi II and σ on genua III thickened, blunted; other solenidia thinner, with attenuate tip.

Material examined.

Five specimens (holotype: male; four paratypes: three males, one female) of Neoribates (Neoribates) parabulanovae sp. n. are from central Nepal, 28°34'N, 83°98'E, 2100 m a.s.l., Kaski District, above Dhumpus, broadleaved forest, soil, 08–10.V.1980, collected by J. Martens & A. Ausobsky.

Type deposition.

The holotype and one paratype are deposited in the collection of the Senckenberg Institution Frankfurt, Germany; three paratypes are deposited in the collection of the Tyumen State University Museum of Zoology, Tyumen, Russia.

Etymology.

The prefix para is Latin meaning “near” and refers to the similarity between the new species and the species Neoribates (Neoribates) bulanovae Grishina, 2009.

Remarks.

Neoribates (Neoribates) parabulanovae sp. n. is morphologically similar to Neoribates (Neoribates) bulanovae Grishina, 2009 (see Grishina and Vladimirova 2009) from eastern Mediterranean, Neoribates (Neoribates) rotundus Aoki, 1982 from Japan and Taiwan and Neoribates (Neoribates) setiger Balogh & Mahunka, 1978 from Australia in having the setiform bothridial setae. However, the new species differs from Neoribates (Neoribates) bulanovae by the larger body length (946–1062 versus 830–904 in Neoribates (Neoribates) bulanovae), foveolate body integument and leg segments III, IV (versus smooth in Neoribates (Neoribates) bulanovae), slightly barbed bothridial setae (versus well barbed in Neoribates (Neoribates) bulanovae), absence of aggenital setae (versus present in Neoribates (Neoribates) bulanovae), interlamellar setae longer than bothridial setae (versus similar in length in Neoribates (Neoribates) bulanovae) and adanal setae ad₃ located anteriorly to adanal lyrifissures (versus laterally in Neoribates (Neoribates) bulanovae); from Neoribates (Neoribates) rotundus by the larger body size (946–1062 × 697–763 versus 810 × 660 in Neoribates (Neoribates) rotundus), foveolate body integument (versus smooth in Neoribates (Neoribates) rotundus), slightly barbed bothridial setae (versus smooth in Neoribates (Neoribates) rotundus) and interlamellar setae longer than bothridial setae (versus shorter in Neoribates (Neoribates) rotundus); from Neoribates (Neoribates) setiger by the larger body size (946–1062 × 697–763 versus 559–583 × 389–450 in Neoribates (Neoribates) setiger), presence of five pairs of genital setae (versus four pairs in Neoribates (Neoribates) setiger) and absence of aggenital setae (versus present in Neoribates (Neoribates) setiger).

Diagnosis.

Body size: 780–830 × 547–581. Body surface densely microfoveolate. Rostral setae of medium size setiform. Lamellar setae represented by alveoli. Interlamellar setae represented by microsetae. Bothridial setae lanceolate, barbed; stalk and elongate head similar in length. Saccular openings long. Subcapitular setae m longer than a and h; a thickest. Five pairs of genital setae present. Medial parts of anal figs striate. Adanal setae ad₃ inserted in lateral position. Tridactylous.

Description.

Measurements. Body length: 780 (holotype), 780, 830 (two paratypes); notogaster width: 547 (holotype), 581 (both paratypes).

Integument. Body color brown. Body surface densely microfoveolate (diameter of microfoveoles less than 1; visible only under high magnification in dissected specimens, × 1000). Medial parts of anal figs with longitudinal stria.

Prodorsum. Rostrum weakly protruding, rounded. Lamellae distinct, reaching the insertions of alveoli of lamellar setae. Rostral setae (53) setiform, slightly barbed, present in one paratype and brokened (only basal parts visible) in holotype and one paratype. Lamellar setae represented by alveoli. Interlamellar setae represented by microsetae (2). Exobothridial setae short (12), thin, smooth. Bothridial setae (77–82) of medium size, lanceolate, barbed; stalk and elongate head similar in length.

Notogaster. Anterior notogastral margin convex. Notogastral setae represented by 10 pairs of alveoli or microsetae (2–4). Four pairs of sacculi present, their openings long, thin, slit-like. Alveoli/microsetae lp inserted laterally to S1. Opisthonotal gland openings located laterally to succuli S1. Lyrifissures im located between gla and setal alveolus lm.

Gnathosoma. Generally, morphology of subcapitulum, palps and chelicerae typical as for most Neoribates (Neoribates) (see for example Grishina and Vladimirova 2009; Ermilov and Kalúz 2013; Ermilov and Anichkin 2014). Subcapitulum longer than wide (159–164 × 127–131). Subcapitular setae setiform, slightly barbed; a (16) thicker than m (24) and h (12). Two pairs of adoral setae (16) setiform, densely bilaterally barbed. Palps (length 110) with setation 0–2–1–3–9(+ω). Solenidion attached to eupathidium. Chelicerae (length 164) with two barbed setae; cha (61) longer than chb (45). Trägårdh’s organ distinct.

Epimeral and lateral podosomal regions. Epimeral setal formula: 3–1–3–3. All setae setiform, slightly barbed; 1a, 1b, 1c, 2a, 3a, 3b, 4a, 4b (16–20) shorter than and 3c, 4c (65–69). Setae 1a, 2a, 3a removed from each other. Pedotecta I, II, discidia and circumpedal carinae normally developed.

Anogenital region. Five pairs of genital (12–16), one pair of aggenital (ag, 16–20), three pairs of adanal (ad₁, ad₂, 24–32, ad₃, 20) and two pairs of anal (16–20) setae setiform, indistinctly barbed. Lyrifissures iad located in paraanal position. Adanal setae ad₃ inserted in lateral position, removed from the anal aperture.

Legs. Generally, similar to Neoribates (Neoribates) parabulanovae sp. n. (Table 1).

Material examined.

Three specimens (holotype: male; two paratypes: one male and one female) of Neoribates (Neoribates) paramacrosacculatus sp. n. are from eastern Nepal, 27°19'N, 87°78'E, 2770 m a.s.l., Panchthar District, upper course of Mai Majuwa river, pasture Dhorpar Kharka, soil in mixed broadleaved forest, soil, 27–28.VIII.1983, collected by J. Martens & B. Daams.

Type deposition.

The holotype and one paratype are deposited in the collection of the Senckenberg Institution Frankfurt, Germany; one paratype is deposited in the collection of the Tyumen State University Museum of Zoology, Tyumen, Russia.

Etymology.

The prefix para is Latin meaning “near” and refers to the similarity between the new species and the species Neoribates (Neoribates) macrosacculatus Aoki, 1966.

Remarks.

Neoribates (Neoribates) paramacrosacculatus sp. n. is morphologically similar to Neoribates (Neoribates) macrosacculatus Aoki, 1966 from the eastern Palaearctic region in having the long openings of notogastral sacculi. However, the new species differs from Neoribates (Neoribates) macrosacculatus by the larger body size (780–830 × 547–581 versus 630–760 × 430–480 in Neoribates (Neoribates) macrosacculatus), foveolate body integument and striate anal figs (versus smooth in Neoribates (Neoribates) macrosacculatus), bothridial setae of medium size, length of stalk not longer than head (versus long, stalk obviously longer than head in Neoribates (Neoribates) macrosacculatus), presence of five pairs of genital setae (versus four pairs in Neoribates (Neoribates) macrosacculatus) and absence of lamellar setae (versus present in Neoribates (Neoribates) macrosacculatus) and presence of very short interlamellar setae (versus long in Neoribates (Neoribates) macrosacculatus).

Diagnosis.

Body size: 796–946 × 614–664. Body surface densely microfoveolate. Lamellae with distal tooth. Rostral and lamellar setae setiform, barbed. Interlamellar and bothridial setae setiform, with attenuate tip, smooth. Notogastral setae represented by 14 pairs of alveoli. Saccular openings short. Subcapitular setae h and m longer than a; m thinnest. Five pairs of genital setae present. Adanal setae ad₁, ad₂ of medium size, with attenuate tip. Adanal setae ad₃ inserted in preanal position.

Description.

Measurements. Body length: 946 (holotype), 796, 929 (two paratypes); notogaster width: 664 (holotype), 614, 647 (two paratypes).

Integument. Body color dark brown. Body surface densely microfoveolate (diameter of microfoveoles less than 1; visible only under high magnification in dissected specimens, × 1000). Numerous stria located around the genital and anal apertures, poorly visible.

Prodorsum. Rostrum weakly protruding, rounded. Lamellae distinct, reaching the insertions of alveoli of lamellar setae, with distal tooth (t). Rostral (80–98) and lamellar (131–151) setae setiform, barbed. Interlamellar (274–307) and bothridial (155–172) setae setiform, with attenuate tip, smooth. Exobothridial setae short (ex, 12), thin, smooth.

Notogaster. Anterior notogastral margin convex. Notogastral setae represented by 14 pairs of alveoli, one pair of c-row absent. Four pairs of sacculi present, their openings short, thin. Alveoli lp inserted posteriorly to S1. Opisthonotal gland openings located laterally to succuli S1. Lyrifissures im located between gla and setal alveolus lm.

Gnathosoma. Generally, morphology of subcapitulum, palps and chelicerae typical as for most Neoribates (Neoribates) (see for example Grishina and Vladimirova 2009; Ermilov and Kalúz 2013; Ermilov and Anichkin 2014). Subcapitulum longer than wide (205 × 147). Subcapitular setae setiform, slightly barbed; a (24–28) and h (32–36) thicker than m (32–36). Two pairs of adoral setae (16–20) setiform, densely bilaterally barbed. Palps (length 110) with setation 0–2–1–3–9(+ω). Solenidion attached to eupathidium. Chelicerae (length 221) with two barbed setae; cha (57) longer than chb (36). Trägårdh’s organ distinct.

Epimeral and lateral podosomal regions. Epimeral setal formula: 3–1–3–3. All setae setiform, slightly barbed; 1a, 1b, 1c, 2a, 3a, 3b, 4a, 4b (32–41) shorter than and 3c, 4c (65–73). Setae 1a, 2a, 3a located close to each other. Pedotecta I, II, discidia and circumpedal carinae normally developed.

Anogenital region. Five pairs of genital (20–24), one pair of aggenital (36–45), three pairs of adanal (ad₁, 82–90, ad₂, 57–61, ad₃, 45–53) and two pairs of anal (36–45) setae setiform (except ad₁, ad₂ with attenuate tip), slightly barbed. Lyrifissures iad located in paraanal position, diagonally to the anal aperture. Adanal setae ad₃ inserted in preanal position.

Legs. Generally, similar to Neoribates (Neoribates) parabulanovae sp. n. (Table 1).

Material examined.

Three specimens (holotype: male; two paratypes: one male and one female) of Neoribates (Neoribates) pararotundus sp. n. are from central Nepal, 27°96' N, 84°97' E, 1100–1300 m a.s.l., Gorkha District, Buri Gandaki valley, riverine forest, between Dobhan and Jagat, soil, 13.VIII.1983, collected by J. Martens & W. Schawaller.

Type deposition.

The holotype and one paratype are deposited in the collection of the Senckenberg Institution Frankfurt, Germany; one paratype is deposited in the collection of the Tyumen State University Museum of Zoology, Tyumen, Russia.

Etymology.

The prefix para is Latin meaning “near” and refers to the similarity between the new species and the species Neoribates (Neoribates) rotundus Aoki, 1982.

Remarks.

Neoribates (Neoribates) pararotundus sp. n. is morphologically similar to Neoribates (Neoribates) rotundus Aoki, 1982 from Japan and Taiwan in having the large body size and setiform, smooth bothridial setae. However, the new species differs from Neoribates (Neoribates) rotundus by the presence of 14 pairs of notogastral setal alveoli (versus 10 pairs in Neoribates (Neoribates) rotundus), microfoveolate body integument (versus smooth in Neoribates (Neoribates) rotundus), lamellae with distal tooth (versus without tooth in Neoribates (Neoribates) rotundus) and interlamellar setae longer than bothridial setae (versus shorter in Neoribates (Neoribates) rotundus).