Amboroppia

ErmilovK, Sergey G., 2024, Two new species of Amboroppia (Quintanoppia) (Acari, Oribatida, Oppiidae) from Guatemala, Acarologia 64 (2), pp. 315-322 : 319-321

publication ID

https://doi.org/ 10.24349/rba2-mlms

publication LSID

lsid:zoobank.org:pub:C03727A0-BD42-4125-8B6A-C88175EEAA82

persistent identifier

https://treatment.plazi.org/id/873087D9-FFAD-FFAA-D38E-9FF4FCE0FC45

treatment provided by

Felipe

scientific name

Amboroppia
status

 

Amboroppia (Quintanoppia) zacapaensis n. sp.

Zoobank: C08A48CB-47BB-4C0C-BB08-674524F25E33

( Figure 3 View Figure 3 )

Type material — Holotype (male) and three paratypes (three males): eastern Guatemala, Zacapa Department, Sierra de Las Minas , 9 km N. San Lorenzo, 2100 m a.s.l., damp litter in

cloud forest, 17.XI.1986 (E. Lindquist).

The holotype is deposited in the Canadian National Collection, Ottawa, Canada ; three paratypes are in the collection of the Tyumen State University Museum of Zoology, Tyumen, Russia. All specimens are preserved in 70% solution of ethanol with a drop of glycerol.

Diagnosis — Body length: 810–900. Interbothridial region of prodorsum tuberculate. Median tooth of rostrum rounded. Five to seven teeth on lateral side of prodorsum. Costular-transcostular complex absent. Relative length of prodorsal setae: in ˃ ro ˃ le ˃ ex ; all setae

setiform, barbed; bothridial seta long, spindle-form, with narrowly elongate dilated mediodistal part, barbed. Notogastral seta c, h 1, p 1, p 2, p 3 short, others medium-sized; all barbed.

Description — Measurements – Body length: 870 (holotype), 810–900 (paratypes); notogaster width: 570 (holotype), 525–585 (paratypes).

Integument – Body color light brown to brown. Body surface microporose (visible only under high magnification in dissected specimen, × 1000); interbothridial region and lateral part of prodorsum (between bothridium and acetabula I–IV) densely tuberculate.

Prodorsum – Rostrum of typical form, tripartite; median tooth rounded. Lateral side of prodorsum with five to seven strong teeth. Costular-transcostular complex absent. Rostral (82–86), lamellar (71–79) and interlamellar (139–150) setae setiform, barbed; exobothridial

seta (41–49) setiform, slightly barbed; ex thinner than others; bothridial seta (202–221) of

typical morphology: spindle-form, with narrowly elongate dilated mediodistal part, barbed. Three or four pairs of interbothridial muscle sigillae. Basal part of prodorsum with one pair of distinct tubercles and several tuberculate thickenings.

Notogaster – Seta c (36–45) setiform, slightly barbed; others h (1, p 1, p 2, p 3: 56–64; la, lm,

lp, h 2, h 3: 135–172) setiform, barbed. Opisthonotal gland opening and lyrifissures ia, im, ip distinct; ih and ips not observed.

Gnathosoma – Similar to Amboroppia (Quintanoppia) guatemalaensis n. sp. except sizes: subcapitulum size: 195–210 × 123–135; a: 45–52; m: 56–60; h: 64–71; adoral setae: 19; chelicera length: 187–195; cha: 49–52; chb: 30–34; palp length: 94–105; postpalpal seta: 9.

Epimeral and lateral podosomal regions – Epimeral border IV well visible, oblique. All epimeral setae (1a, 2a, 3a, 4b: 49–64; 3c: 101–109; others: 75–86) setiform, barbed. Discidium triangular.

Anogenital region – All genital setae (34–37) setiform, slightly barbed; aggenital (82–86), anal (37–41) and adanal (82–86) setae setiform, barbed. Adanal lyrifissure distinct.

Legs – Similar to Amboroppia (Quintanoppia) guatemalaensis n. sp.

Remarks — Amboroppia (Quintanoppia) zacapaensis n. sp. differs from A. (Q.) defectofossulata Ermilov and Kontschán, 2023 and A. (Q.) guatemalaensis n. sp. by the length of dorsal notogastral setae (medium sized versus long in A. (Q.) defectofossulata and A. (Q.) guatemalaensis).

Etymology — The species name zacapaensis refers to the department of origin, Zacapa.

General remarks

Two of the generic morphological traits of Amboroppia are: the presence of prodorsal costulae and transcostula ( Ermilov and Kontschán 2023), and body length 400–700. However, the costular-transcostular complex absent in A. (Q.) guatemalaensis n. sp. and A. (Q.) zacapaensis n. sp., and their body length 810–945. Hence, we propose to correct these characteristics in the generic diagnosis of Amboroppia : costular-transcostular complex present or absent, and body length in the interval 400–1000.

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