Selenops petenajtoy, Crews, Sarah C., 2011

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 : 57-58

Selenops petenajtoy sp. n. Figs 75-76Map 5

Type material.

Holotype male: outside of Cueva Aktun Kan, Colonia del Bosque, Santa Elena de la Cruz, Petén, Guatemala, 16°54'10.9"N, 89°53'44.3"W, ~164 m, 1.I.2008, S. Crews, under bark of large tree, SCC08_001 (EME sel_867).

Other material examined.

GUATEMALA: Petén, Santa Elena de la Cruz, Colonia del Bosque, other entrance of Cueva Aktun Kan, 16°54'15.7" N, 89°53'54.6" W, ~142 m, 31.XII.2007, S. Crews, under bark, SCC07_060, 2 imm. (CAS sel_865, 866).

Etymology.

The name of this species comes from a combination of words, Petén, referring to the type locality, and the word for spider, ajtoy, in Mopan Mayan, the language indigenous to the people of the region of the type locality. It is to be treated as a noun in apposition.

Diagnosis.

Males can be separated from all other species by the large, hooked MA, and the small simple RTA (Figs 77-78). Females unknown.

Description.

Holotype male: color:carapace light yellow, a few dusky marks laterally, dark seam around edge of cephalothorax, clypeus with dark stripes beneath ALE; sternum yellow, darker around border; chelicerae dusky yellow, black stripe anteriorly; maxillae dusky yellow brown, lightening distally; labium dusky yellow, lightening distally; abdomen dorsally light yellowish, lighter distally, darkening caudally, with 2 darker horizontal stripes caudally and laterocaudal festoon; ventrally dusky yellow grey, no markings; legs light yellow with dusky annulations, specks on anterolateral faces of femora, forming long line. Carapace: 0.95 times longer than broad; fovea longitudinal, broad, very shallow. Eyes:AER slightly recurved; PER recurved; PME larger than AME, PLE largest, ALE smallest; eye diameters, AME 0.20, ALE 0.10, PME 0.30, PLE 0.40; interdistances AME-PME 0.03, PME-ALE 0.18, ALE-PLE 0.40. PME-PME 1.00. ALE-ALE 1.72; ocular quadrangle AME-AME 0.40, PLE-PLE 1.80; clypeus 0.15 high. Mouthparts:chelicerae with a few scattered setae medially and anteriorly; maxillae longer than broad, with tuft of conspicuous setae distally; labium distally rounded. Sternum:1.12 times longer than broad, posteriorly indented. Legs:leg I much shorter than legs II, III and IV; leg formula 2341; scopulae present on distal end of all 4 tarsi; tarsi I-IV with strong claw tufts; pr claw toothed, rl claw with fewer teeth; spination: leg I, Fm pr 1 –1– 1, d 1 –1– 1, rl 1 –1– 1; Ti d 0 –1– 0, pr 1 –0– 1, rl 1 –0– 1, v 2 –2– 2; Mt f 2-2; leg II, Fm pr 1 –1– 1, d 1 –1– 1, rl 1 –1– 1; Ti pr 1 –0– 1, d 0 –1– 0, rl 1 –0– 1, v 2 –2– 2; Mt v 2-2; leg III, Fm pr 1 –1– 1, d 1 –1– 1, rl 1 –1– 1; Ti pr 1 –0– 1, rl 1 –0– 1, v 2 –2– 1; Mt v 2-2; leg IV, Fm pr 1 –1– 1, d 1 –1– 1, rl 1 –1– 1; Ti pr 1 –0– 1, v 2 –2– 0, rl 1 –0– 1; Mt pr 1 –1– 0, rl 1 –1– 0, v 2-2. Abdomen:without terminal setal tufts. Pedipalp:Fm, spination d 0 –1– 4; cymbium oval in ventral view, angled posterolaterally; scopulae scattered, denser distally; conductor large angular structure arising from side of bulb, curved on one side, sinuate on other, tapering anteriorly; embolus long, slender, straight, arising at 7 o'clock, terminating at 11 o'clock; MA large with short triangular base with long hooked finger-like process, MA arising at 2 o'clock, directed anterolaterally; RTA barely reaching cymbium in ventral view, with two processes, lateral process long and rectangular, slightly curved, distally truncate, ventral process widening and rounded distally, slightly twisted (Figs 75-76). Dimensions: Total length 6.80. Carapace length 3.55, width 3.73. Sternum length 1.90, width 1.70. Abdomen length 3.25, width 2.35. Pedipalp: Fm 1.00, Pt 0.30, Ti 0.60, Ta 1.00, total 2.90. Leg I: Fm 3.75, Pt 1.00, Ti 3.80 Mt 4.00, Ta 1.75, total 14.30. Leg II: Fm 4.75, Pt 2.50, Ti 4.20, Mt 4.00, Ta 1.75, total 17.20. Leg III: Fm 4.80, Pt 1.75, Ti 4.00, Mt 4.00, Ta 1.60, total 16.15. Leg IV: Fm 4.75, Pt 1.50, Ti 4.00, Mt 4.00, Ta 1.75, total 16.00.

Natural history.

This species has been found beneath bark on a large tree with at least one other species of selenopid present ( Selenops mexicanus ).

Distribution.

Known only from the type locality and immediate vicinity (Map 5).