Strotarchus violaceus F.O. Pickard-Cambridge, 1899

Bonaldo, Alexandre B., Saturnino, Regiane, Ramírez, Martín J. & Brescovit, Antonio D., 2012, A revision of the American spider genus Strotarchus Simon, 1888 (Araneae: Dionycha, Systariinae), Zootaxa 3363, pp. 1-37 : 15-16

publication ID

https://doi.org/ 10.5281/zenodo.214492

DOI

https://doi.org/10.5281/zenodo.6171976

persistent identifier

https://treatment.plazi.org/id/03ABF817-8B59-E512-E9BC-0572FD803596

treatment provided by

Plazi

scientific name

Strotarchus violaceus F.O. Pickard-Cambridge, 1899
status

 

Strotarchus violaceus F.O. Pickard-Cambridge, 1899

Figs. 70−72 View FIGURES 70 – 72

Strotarchus violaceus F.O. Pickard-Cambridge, 1899: 87 , pl. 6, figs. 15−16. Male lectotype and female paralectotype, here designated, from Omitelme [Omiltemi, Guerrero, 99º40.2'W, 17º30'N], Mexico, H.S. Smith coll., deposited in BMNH 1901/3/ 3 /259-260, examined.

Diagnosis. Males can be distinguished by the relatively short cymbium, well developed and elaborated tegular apophysis, composed of an oval, distally narrowed projection on the retrolateral margin of tegulum; short and acute embolar process, directed prolaterally; and embolar apices hook-shaped ( Fig. 70 View FIGURES 70 – 72 ). Females resemble those of S. mazamitla n. sp. by the reduced atrium, but differ from this species by the semi-circular shape of this structure, with anterior border unsclerotised ( Fig. 72 View FIGURES 70 – 72 ).

Description. Male (Lectotype). Carapace red brown, chelicerae darker. Legs orange with distal area of the articles darker. Abdomen yellow with orange anterior dorsal stripes. Total length 10.60. Carapace 4.80 long, 4.00 wide. Eye diameters: AME 0.35, ALE 0.27, PME 0.25, PLE 0.25. Chelicerae with 3 promarginal teeth and 2 retromarginal teeth. Leg measurements: femur I 5.80/ II 5.20/ III 4.30/ IV 5.40. Leg spination: I—femur d1-1-1, p0-0-2, r1-1-1; tibia d0, p1-1-0, r1-1-0, v2-2 -0; metatarsus d0, p1-1-1, r1-1-1, v2-1 p-2. II—femur d1-1-1, p0-1-1, r1-1-1; tibia d0, p1-1-0, r1-1-0, v2-2 -0; metatarsus d0, p1-1-1, r1-1-1, v2-1 p-2. III—femur d1-1-1, p1-1-1, r0-1-1; tibia d0, p1-1-0, r1-1-0, v2-2 -2; metatarsus d0, p1-1-1, r1-1-1, v2-2 -2. IV—femur d1-1-1, p0-1-1, r0-0-1; tibia d0, p1-1-0, r1-1-0, v2-2 -2; metatarsus d0, p1-1-1, r1-1-1, v2-2 -2. Palpal tibiae strong, large, half of cymbium length; RTA rectangular, extending retrolaterally; ppRTA a pointed tip. Tegulum sub-oval; proximal fold of reservoir retrolaterally oriented; TA well developed, with an oval projection, flattened distally; EB large, strongly sclerotised, not folded; EP short, with pointed tip; EA short, hook-shaped ( Figs. 70, 71 View FIGURES 70 – 72 ).

Female (Paralectotype). Coloration as in male. Total length 11.00. Carapace 4.60 long, 3.70 wide. Eye diameters: AME 0.30, ALE 0.26, PME 0.27, PLE 0.25. Chelicerae with 3 promarginal teeth and 2 retromarginal teeth. Leg measurements: I femur 4.80/ II 4.40/ III 3.60/ IV 4.60. Leg spination: I—femur d1-1-1, p0-0-2, r1-1-1, tibia d0, p1-1-0, r1-1-0, v2-2 -0; metatarsus d0, p1-1-1, r1-1-1, v2-2 -2. II—femur d1-1-1-, p0-1-1, r1-1-1; tibia d0, p1-1- 0, r1-1-0, v2-2 -0; metatarsus d0, p1-1-1, r1-1-1, v2-2 -2. III—femur d1-1-1, p1-1-1, r1-1-1; tibia d0, p1-1-0, r1-1-0, v2-2 -0; metatarsus d0, p1-1-1, r1-1-1, v2-2 -2. IV—femur d1-1-1, p0-1-1, r0-0-1; tibia d0, p1-1-0, r1-1-0, v2-2 -0; metatarsus d0, p1-1-1, r1-1-1, v2-2 -2. Epigynum (not dissected): epigynal surface excavated, atrium semi-circular with posterior margin slightly projected posteriorly, strongly sclerotised, anterior margin not so scletorised ( Fig. 72 View FIGURES 70 – 72 ).

Distribution. Known only from the type locality.

Other material examined. None.

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Miturgidae

Genus

Strotarchus

Loc

Strotarchus violaceus F.O. Pickard-Cambridge, 1899

Bonaldo, Alexandre B., Saturnino, Regiane, Ramírez, Martín J. & Brescovit, Antonio D. 2012
2012
Loc

Strotarchus violaceus

Pickard-Cambridge 1899: 87
1899
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