Stenaelurillus pseudoguttatus, Logunov & Azarkina, 2018

Logunov, Dmitri V. & Azarkina, Galina N., 2018, Redefinition and partial revision of the genus Stenaelurillus Simon, 1886 (Arachnida, Araneae, Salticidae), European Journal of Taxonomy 430, pp. 1-126: 93-95

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Stenaelurillus pseudoguttatus

sp. nov.

Stenaelurillus pseudoguttatus   sp. nov. Figs 417–425 View Figs 417–425 , 514

Mashonarus guttatus Wesołowska & Cumming, 2002: 167   , figs 1–19 (in part, paratype ♂ from Namibia).


By the conformation of the copulatory organs (the shape of the embolus and the developed cymbial lateral projection), S. pseudoguttatus   sp. nov. is most similar to S. brandbergensis   comb. nov. and S. guttatus   comb. nov. (cf. Figs 90–94 View Figs 90–98 and 165–170 View Figs 165–172 ), but can easily be distinguished from both related species by its having the longest, sword-shaped embolus, the largest open cymbial pocket and by the absence of a distal projection on the functional tegulum. The female of S. pseudoguttatus   sp. nov. remains unknown.


The specific epithet is a compound form of the Greek Ψϵυδο (‘pseudo’), ‘false’, and the Latin word ‘ guttatus   ’, ‘speckled’; the name is a reflection of the fact that the holotype of this species was found in the original type series of S. guttatus   comb. nov.

Material examined


NAMIBIA: ♂, male paratype of Mashonarus guttatus Wesołowska & Cumming, 2002   , Rundu-Kavango , ca 17°55′ S, 19°45′ E, Okavango Riv., May 1979, M.E. Baddeley leg. ( MRAC 152.151 View Materials ). GoogleMaps  


The series of paratypes of Mashonarus guttatus   turned out to be heterogenous and contained one male that belonged to a different species, which is described herein as new.


Male (holotype)

Measurements: carapace: 2.28 long, 1.63 wide, 0.93 high. Abdomen: 2.05 long, 1.38 wide. Ocular area: 1.00 long, 1.30 wide anteriorly, 1.23 wide posteriorly. Cheliceral length 0.75. Clypeal height 0.13. Diameter of AME 0.38. Length of leg segments: I 1.25 + 0.65 + 0.83 + 0.70 + 0.50 (3.93); II 1.25 + 0.63 + 0.71 + 0.70 + 0.38 (3.67); III 1.60 + 0.70 + 1.00 + 1.18 + 0.45 (4.93); IV 1.45 + 0.63 + 1.00 + 1.28 + 0.53 (4.89). Leg formula III,IV,I,II. Leg spination: I: Fm d 0-1-1-4; Tb pr 1-1, v 1-1-2ap; Mt pr 1ap, v 2-2ap. II: Fm d 0-1-1-5; Tb pr 1-1, v 1-1-2ap; Mt pr 1-1ap, v 2-2ap. III: Fm d 0-1-2-5; Pt pr 0-1-0; Tb d 1-0, pr and rt 1-1, v 1-1-2ap; Mt d 0-1-0, pr and rt 1-0-2ap, v 0-2-2ap. IV: Fm d 0-1-1-3; Pt pr 0-1-0; Tb d 1-0- 0, pr and rt 1-1-1, v 0-1-2ap; Mt pr, rt and v 1-1-2ap. Coloration (in alcohol; Figs 422–425 View Figs 417–425 ). Carapace yellowish brown, with black eye field, densely covered with long brown recumbent scales; there are two longitudinal white narrow stripes; clypeus yellow, covered with yellow hairs. Sternum yellow, tinged with brown and densely covered with white hairs. Endites and labium yellow. Chelicerae yellowish brown. Abdomen: dorsum dark brown, with three pairs of white spots; sides and venter grayish yellow. Book-lung covers yellow. Spinnerets yellow grayish. All legs: coxae and trochanters yellow, Fm yellow on their basal halves and brown on their distal halves, the remaining segments yellowish brown. Palps yellowish brown. Palpal structure as in Figs 417–421 View Figs 417–425 ; VTA bulge-shaped; RTA straight, stiletto-shaped, directed anteriad; the cymbium simple, with a poorly-marked cymbial lateral process; the tegulum small, poorly marked, without a visible tegular process; the functional tegulum narrow-elongated, with a well-developed, wide and obtuse proximal (PP) projection and without a distal projection; the embolus long, sword-shaped, with a wide round base.




Namibia, the type locality only ( Fig. 514 View Fig ).














Stenaelurillus pseudoguttatus

Logunov, Dmitri V. & Azarkina, Galina N. 2018

Mashonarus guttatus Wesołowska & Cumming, 2002: 167

Wesolowska W. & Cumming M. S. 2002: 167