Centroctenus claudia, Brescovit & Torres & Rego & Polotow, 2020

Brescovit, Antonio D., Torres, Richard A., Rego, Felipe N. A. A. & Polotow, Daniele, 2020, Six new species of the spider genus Centroctenus Mello-Leitão from the Neotropical region (Ctenidae, Cteninae), Zootaxa 4877 (2), pp. 311-328 : 320

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https://doi.org/ 10.11646/zootaxa.4877.2.5

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scientific name

Centroctenus claudia

sp. nov.

Centroctenus claudia View in CoL sp. n.

Figure 7 View FIGURE 7 , 12C View FIGURE 12

Type material. Female holotype from Fazenda Iracema , Claudia (11°30’54”S, 54°53’27”W), Mato Grosso, Brazil, 2–17/IV/1997, M. Calleffo coll., deposited in IBSP 10225 GoogleMaps .

Additional material examined. None.

Etymology. The species epithet is a noun in apposition taken from the type locality, Claudia, in Brazil.

Diagnosis. The female of Centroctenus claudia sp. n. differs from other species by the big and rounded anterior-lateral edges and robust lateral lobes ( Fig. 7A View FIGURE 7 ) in the female epigynum.

Description. Male. Unknown.

Female (holotype). Carapace orange, with cephalic area and lateral borders brown. Chelicerae red brown, labium and endites brown. Sternum dark yellow. Legs and palps orange, with dark gray bands on the legs I–IV, coxae ventrally yellow. Abdomen gray with a yellow narrow median dorsal folium, ventrally orange. Total length 16.2. Carapace 8.1 long and 6.4 wide. Eye diameters: AME 0.14, ALE 0.12, PME 0.2, PLE 0.18. Chelicerae: promargin with 3 teeth, the median almost twice as high as the laterals; retromargin with 5 teeth, the basal smaller. Leg measurements: I: femur 9.4/ patella 3.5/ tibia 9.5/ metatarsus 8.1/ tarsus 2.8/ total 33.3; II: 8.3/ 3.5/ 8.4/ 7.6/ 2.7/ 30.5; III: 7.4/ 2.8/ 6.4/ 6.9/ 2.2/ 25.7; IV: 9.8/ 3.2/ 9/ 11.7/ 3.1/ 36.8. Leg formula: 4123. Leg spination: tibia I-II v2-2-2- 2-2, r1-1-0, p1-1-0, III-IV v2-2-2, r1-1-0, p1-1-0; metatarsus I-II v2-2-2, r1-1-0, p1-1-0, IV v2-2-2, r1-1-1, p1-1-1. Female genitalia ( Fig. 7 View FIGURE 7 ): epigynum with median sector large and lateral lobes robust; copulatory ducts long and curved; spermathecae oval; fertilization ducts basally positioned, narrow and sinuous.

Distribution. Known only from type locality ( Fig. 12C View FIGURE 12 ).













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