Neoribates (Neoribates) pararotundus
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Ordo: Oribatida
Familia: Parakalummidae
Genus: Neoribates
Name
Neoribates pararotundus Ermilov & Martens, 2014 sp. n. – Wikispecies link – Pensoft Profile
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[1]; Ermilov and Kalúz 2013[2]; Ermilov and Anichkin 2014[3]). 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).
Original Description
- Ermilov, S; Martens, J; 2014: Three new species of the subgenus Neoribates (Neoribates) (Acari, Oribatida, Parakalummidae) from Nepal ZooKeys, 431: 19-32. doi
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Other References
- ↑ Grishina L, Vladimirova N (2009) New species of the genus Neoribates (Berlese, 1914) (Acariformes: Oribatida) from Russia and adjacent countries. Acarina 17(2): 211–222.
- ↑ Ermilov S, Kalúz S (2013) Two new species of Neoribates (Neoribates) (Acari, Oribatida, Parakalummidae) from India. International Journal of Acarology 39(5): 408–413. doi: 10.1080/01647954.2013.792392
- ↑ Ermilov S, Anichkin A (2014) Taxonomic study of oribatid mites (Acari, Oribatida) of Bi Dup – Nui Ba National Park (southern Vietnam). Zootaxa, 3834(1): 1–86. doi: 10.11646/zootaxa.3834.1.1
