Description

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Measurements. Body length: 348 (holotype), 315–365 (five paratypes); notogaster width: 215 (holotype), 199–232 (five paratypes). Integument. Body color yellow-brownish to brown. Dorsal body surface smooth; ventral body surface (including subcapitular mentum, genital and anal plates) microfoveolate (diameter of foveolae up to 0.5), which is visible only under high magnification (× 1500). The region adjacent to the anal aperture striate. Prodorsum. Rostrum rounded. Costulae (cos) well developed, almost straight, as long as half of prodorsum (in lateral view). Transcostula (tcos) present, poorly visible. All prodorsal setae setiform, barbed: rostral setae (ro, 36–41) thin, inserted dorso-laterally; interlamellar setae (in, 73–82) slightly thicker than rostral setae, inserted posteriorly to costulae; lamellar setae longest (le, 94–98) and thickest, inserted on the costular tips; exobothridial setae shortest (ex, 24–32) and thinnest, inserted laterally on prodorsum. Sensilli (ss, 114–118) setiform, thickened, ciliate unilaterally. Lateral carinae (not tutoria) distinct (car). Notogaster. Anterior border straight, slightly developed, with one pair of blunt-ended medial condyles. One pair of short humeral cristae present. Ten pairs of notogastral setae present: c (36–41) and p1–p3 (18–20) setiform, thin, barbed; other setae short (6–8), smooth. Setae c, la, lm, lp, h2, h3 located dorsally: c, la, lm inserted in one longitudinal row; lp, h2, h3 inserted close to each other. Setae h1 located dorso-posteriorly. Setae p1–p3 located posteriorly, in one transverse row; p1 inserted close to each other. Opisthonotal gland openings (gla) small, located laterally to setae lm. Lyrifissures ia located posteriorly to cristae. Lyrifissures im, ip, ih located dorso-laterally, ips–posteriorly; all nearly to muscle sigillar band. Circumventral carina (cv) distinct. Gnathosoma. Morphology of subcapitulum, palps and chelicerae typical for Ctenobelba (Ermilov et al. 2012b). Subcapitulum longer than wide: 73–82 × 53–57. Subcapitular setae setiform, barbed; h and m (both 24–26) longer than a (12–16). Adoral setae absent. Palps (49–53) with setation 0–2–1–3–8(+ω). Solenidion long, thickened, not fused with acm, pressed to surface of palptarsus. Chelicerae (82–86) with two long, setiform, barbed setae; cha (24–26) longer than chb (16–18). Trägårdh’s organ (Tg) distinct. Lateropodosomal and epimeral regions. Pedotecta I (Pd I), II (Pd II) large, scale-like. Apodemes I, II well developed; sejugal apodemes absent, represented only epimeral borders. Epimeral setal formula: 3–1–3–3. Setae setiform, barbed: 1b, 1c, 3b, 3c, 4c longer (73–77) and thicker than other (32–41). Anogenital region. All anogenital setae setiform, barbed. Six pairs of genital (g1, 20–24; g2–g6, 12) and two pairs of anal (an1, an2, 20–24) setae short; genital setae inserted in one longitudinal row. Eight pairs of aggenito-adanal setae present (from these: two pairs of aggenital setae, ag; three pairs of adanal setae, ad1–ad3; three pairs of additional, neotrichial setae, n). Two pairs of lateral neotrichial setae longer (53–61) than other (32–41). Lyrifissures iad located in inverse apoanal position, distanced from the anal plates. Legs. Claw of each leg smooth. Morphology of leg segments, setae and solenidia typical for Ctenobelba (Ermilov et al. 2012b). 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 (2–3–2–3–15) [1–1–0], IV (1–2–3–3–12) [0–1–0]; homology of setae and solenidia indicated in Table 1. Setae setiform, barbed (except smooth s on tarsi I and p). Famulus (e) short, thin. Solenidia slightly thickened, blunt-ended. Leg setation and solenidia of adult and tritonymph Ctenobelba (Berndamerus) bugiamapensis sp. n. Leg Trochanter Femur Genus Tibia Tarsus I v’ d, (l), bv’’, v’’ (l), v’, 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), v’, σ (l), (v), φ (ft), (tc), (it), (p), (u), (a), s, (pv), ω1, ω2 III l’, v’ d, l’, ev’ l’, v’, σ l’, (v), φ (ft), (tc), (it), (p), (u), (a), s, (pv) IV v’ d, ev’ d, l’, v’ l’, (v), φ ft’’, (tc), (p), (u), (a), s, (pv) Roman letters refer to normal setae (e to famulus), Greek letters to solenidia. Single prime (’) marks setae on anterior and double prime (’’) setae on posterior side of the given leg segment. Parentheses refer to a pair of setae.
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Sergey G. Ermilov, Umukusum Ya. Shtanchaeva, Luis S. Subías, Alexander E. Anichkin
bibliographic citation
Ermilov S, Shtanchaeva U, Subías L, Anichkin A (2014) The family Ctenobelbidae (Acari, Oribatida), with description of a new species and discussion on systematic placement and taxonomic status of the genus Berndamerus Mahunka, 1977 ZooKeys 395: 1–10
author
Sergey G. Ermilov
author
Umukusum Ya. Shtanchaeva
author
Luis S. Subías
author
Alexander E. Anichkin
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