Thiodina firme,

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: 333-335

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Thiodina firme

sp. nov.

Thiodina firme  sp. nov.

Figs 8IView FIGURE 8, 9BView FIGURE 9, 24View FIGURE 24

Type material. Male holotype ( MPEG 34602View Materials) from Várzea Piranha (02.210028°S, 56.122417°W), Juruti, Pará, Brazil, 22.II.2011, N.F. Lo-Man-Hung leg.GoogleMaps 

Etymology. The specific name is an invariable adjective taken from a colloquial expression “ firme  !” (translated as “cool!”), used by the people of the state of Pará, Brazil.

Diagnosis. Thiodina firme  sp. nov. resembles Th. nicoleti  , Th. perian  sp. nov. and Th. minuta  comb. nov. by the general appearance of body, but differs from these by the triangular RvTA ( Figs 24E ‒24FView FIGURE 24).

Description. Male (holotype). Total length: 3.30. Carapace 1.54 long, 1.11 wide, 0.81 high. Ocular quadrangle 0.88 long. Anterior and posterior eye row 0.96 wide. Chelicera paturon with two promarginal teeth, the proximal one tricuspid, the distal one uni- or bicuspid, and one retromarginal tooth with three cusps. Length of femur: I 1.06, II 0.73, III 0.69, IV 0.92; patella + tibia: I 1.38, II 0.86, III 0.79, IV 1.09; metatarsus + tarsus: I 0.98, II 0.71, III 0.81, IV 1.02. Leg formula: 1423. Leg spination: femur I d1-1-1-1, p1di, r0; II d1-1-1, p1di, r0; III d0-1- 1, p1di, r1di (r0 right); IV d1-1-1, p1di, r1di; patella I ‒IV 0; tibia I p0, r0, v2 -0-2a-2; II p0, r0, v1 r-0-0; III p0, r0, v0 (v1 pdi right); IV p0, r0-1-0, v0 (v1 rdi right); metatarsus I ‒II v2-2; III p2di, r1di, v1 p-0 (v0 right); IV p2di, r1di, v0. Palp ( Figs 24D ‒24FView FIGURE 24): tibia longer than wide; RTA triangular; embolus simple, fixed to the tegulum, arising proximally, with a path of 360° before the distal coil. Color in alcohol: carapace mostly brown with yellow borders ( Figs 24A ‒24BView FIGURE 24), abdomen as in genus, but with the dark dorsal band of the middle, reduced ( Fig. 24AView FIGURE 24). Femur I light brown, patella I distally darker, tibia I with distal half darker, metatarsus I brown, tarsus I yellow; other legs light brown.

Female. Unknown.

Distribution. Known only from Juruti, Brazil.

Natural history. Specimen was collected with a beating sheet.