Hyetussa tremembe, Bustamante & Ruiz, 2017

Bustamante, Abel A. & Ruiz, Gustavo R. S., 2017, Systematics of Thiodinini (Araneae: Salticidae: Salticinae), with description of a new genus and twelve new species, Zootaxa 4362 (3), pp. 301-347 : 324

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https://doi.org/ 10.11646/zootaxa.4362.3.1

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scientific name

Hyetussa tremembe

sp. nov.

Hyetussa tremembe View in CoL sp. nov.

Figs 8E View FIGURE 8 , 17 View FIGURE17

Type material. Male holotype ( MPEG 34601 View Materials ) from Parque Nacional de Sete Cidades (04.113889ºS, 41.714583ºW), Brasileira e Piracuruca, Piauí, Brazil, 07.XII.2006, L.S. Carvalho leg. GoogleMaps

Etymology. The specific name is a noun in apposition and refers to the indiginal tribe who lived around the type locality before the conquest of the region by the Portuguese.

Diagnosis. The males resemble those of H. andalgalaensis by the shape of embolus (see Galiano 1976b: figs 43, 44), but differ from all the species of the genus by the presence of a retrolateral apophysis on the cymbium ( Fig. 17F View FIGURE17 , rca).

Description. Male (holotype). Total length: 3.11. Carapace 1.46 long, 0.96 wide, 0.54 high. Ocular quadrangle 0.73 long. Anterior eye row 0.77 wide and posterior 0.81 wide. Chelicera paturon with one promarginal tooth with three cusps, and one simple retromarginal tooth. Length of femur: I 0.66, II 0.52, III 0.50, IV 0.65; patella + tibia: I 0.83, II 0.61, III 0.55, IV 0.74; metatarsus + tarsus: I 0.58, II 0.49, III 0.58, IV 0.66. Leg formula: 1432. Leg spination: femur I 0; II d1di, p0, r0; III d1di, p0 (p1di right), r0; IV d0-1-1, p0, r0; patella I‒IV 0; tibia I‒ IV 0; metatarsus I v1 p-2; II v0-2; III‒IV p1di, r0, v0. Palp ( Figs 17D‒17F View FIGURE17 ): tibia wider than long; RTA hookshaped, RvTA triangular and grooved; embolus fixed to the tegulum, arising proximally and curling 1050° (2T+330°) around the tegulum ( Fig. 17D View FIGURE17 ). Color in alcohol: carapace brown with dark striation on the thoracic region, abdomen without dorsal or lateral pattern ( Figs 17A‒17C View FIGURE17 ). Legs as in H. sergipe sp. nov.

Female. Unknown.

Distribution. Only known from Parque Nacional de Sete Cidades, Brazil.

Natural history. The specimen was collected in “cerrado rupestre”, with beating sheet.













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