Selenops abyssus Muma, 1953

Crews, Sarah C., 2011, A revision of the spider genus Selenops Latreille, 1819 (Arachnida, Araneae, Selenopidae) in North America, Central America and the Caribbean, ZooKeys 105, pp. 1-182 : 30-31

Selenops abyssus Muma, 1953 Figs 31-32Map 5

Selenops abyssus Muma 1953: 21, Fig. 36 (♀, examined).

Type material.

Holotype female: Tizapan, Jalisco, México, 6.I.1946, F. Bonet (AMNH, examined).

Other material examined.

MÉXICO: Colima: Manzanillo, Mun. Manzanillo, 1.2-1.4 km East of La Central, 1♀ (CNAN sel_1004); Mun. Ixtlahuacán, Tamala, 1 imm. (EME sel_1013); Jalisco: 5 km southwest of Tecalitlán, 2.I.1999, 1200 m, E.S. Ross, R.E. Stecker, 1♀ (CAS); 12 miles northwest of Jiquilipan, 22.X.1973, S.C. Williams, C. L. Mullinex, 2♀ (CAS); Michoacán: 10 miles south of Uruapan, Hwy 37, 2.IX.1977, 1200 m, E.I. Schlinger, 1♀ (CAS); Mun. Coalcomán, Cerro La Penita, 1 imm. (CAS sel_1012); Nayarit: Islas Tres Marias, María Madre, 13-23.V.1925, H.H. Keifer, 1♀ (CAS); vic. Campostela, 16.X.1935, 1♀ (AMNH).

Diagnosis.

This species can be distinguished from others by the inconspicuous lateral lobes, and the triangular epigynal plate, with a central v-shape (Fig. 31). Internally, the spermathecae are large and round, located laterally (Fig. 32). Males unknown.

Description.

Holotype female: Color:Carapace (holotype) brownish-red (recent) dusky yellow, cephalic region brown, lateral margins dark; sternum (holotype) red-brown (recent) yellow-brown, darker at border; chelicerae (holotype) brown-red (recent) brown, darker laterally; maxillae (holotype) orange-brown, lightening distally (recent) light brown, darkening on the distolateral border, lightening on inner distal border; labium dark brown, lightening distally; abdomen dorsally (holotype) damaged (recent) dusky grey-brown with darker mottling, ventrally (holotype) dark grey (recent) cream-colored; legs (holotype) brown-red, annulations no longer visible (recent) yellowish, darkening distally, with annulations and specks, lighter on femora, with no markings retrolaterally. Carapace:0.98 times longer than broad. Eyes:AER slightly recurved; PER recurved; PME larger than AME, PLE largest, ALE smallest; eye diameters, AME 0.20, ALE 0.03, PME 0.30, PLE 0.45; interdistances AME-PME 0.13, PME-ALE 0.18, ALE-PLE 0.48. PME-PME 1.28. ALE-ALE 2.23; ocular quadrangle AME-AME 0.48, PLE-PLE 2.45; clypeus 0.15 high. Mouthparts:chelicerae with stout setae medially and anteriorly; maxillae longer than broad, with tuft of conspicuous setae distally; labium distally rounded. Sternum:As long as broad, posteriorly indented. Legs:Leg formula 4321 (Muma, 1953); scopulae present on tarsi of all legs and metatarsi of legs I and II; tarsi I-IV with strong claw tufts; pr claw toothed, rl claw with fewer teeth; spination: leg I, Fm pr 1 –1– 0, d 1 –1– 1, rl 1 –1– 1; Ti v 2 –2– 2; Mt v 2-2; II, Fm pr 1 –1– 0, d 1 –1– 1, rl 1 –1– 1; Ti v 2 –2– 2; Mt v 2-2; III, Fm pr 1 –1– 0, d 1 –1– 1, rl 1 –1– 1; Ti v 2 –2– 0; Mt v 2-2; IV, Fm pr 1 –1– 0, d 1 –1– 1, rl 1 –1– 1; Ti v 2 –2– 0; Mt v 2-2. Abdomen:Without terminal setal tufts. Pedipalp:claw with 13 teeth. Epigyne:Plate triangular, lateral lobes inconspicuous, small v-shaped area located medially, genital openings located laterally to v-shape, epigynal pockets absent; internally, ducts directed medially to laterally leading to laterally located spermathecae, fertilization ducts located laterally, directed anteriorly, small posterodorsal fold present, though it does not cover ducts (Figs 31-32). Dimensions: Total length 11.30. Carapace length 5.40, width 5.50. Abdomen length 5.90, width 2.60. Pedipalp: Fm 1.00, Pt 1.50, Ti 0.75, Ta 1.00, total 4.25. Leg I: Fm 5.30, Pt 2.00, Ti 2.96. Leg II: Absent. Leg III: Fm 5.00, Pt 2.20, Ti 4.25, Mt 4.25, Ta 2.00, total 17.70. Leg IV: Fm 6.50, Pt 2.00, Ti 5.31, Mt 4.50, Ta 2.00, total 20.31

Natural history.

Collected from lower elevations up to 1200 m.

Distribution.

Found in southwestern México from Nayarit to Michoacán (Map 5).