Selenops marcanoi
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Ordo: Araneae
Familia: Selenopidae
Genus: Selenops
Name
Selenops marcanoi Alayón-García, 1992 – Wikispecies link – Pensoft Profile
- Selenops marcanoi Alayón-García 1992[1]: 3, Figs 3a-3b (♀, not examined).
Type material
Holotype female: El Aguacate, Neyba, Baoruco, Dominican Republic (IES), not examined.
Other material examined
DOMINICAN REPUBLIC: Pedernales: El Banano, Rio Mulito, 18°09.165'N, 71°45.388'W, ~288 m, 25 XI.2004, S. Crews, under bark, SCC04_081, 1♀, 4♂, 1 imm. (EME sel_150-152, MNHN sel_153-154, CAS sel_155). Barahona: Carretera El Higuero-Polo, 18°00.251'N, 71°18.838'W, ~466 m, 26.XI.2004, S. Crews, under bark, SCC04_083, 3 imm. (CAS sel_169-170, 172).
Diagnosis
Females can be separated from others by having only a lightly sclerotized median area, with a sinuous opening and large, round spermathecae (Figs 123–124). The male palpal organ is most similar to that of Selenops insularis, though the circular space formed by the conductor connections is more semi-circular, and the RTA is not as wide distally and is truncate (Figs 125–126).
Description
Male (sel_152): Color:carapace yellow, slightly dusky laterally; sternum pale yellow; chelicerae dusky yellow; maxillae pale yellow; labium pale yellow; abdomen dorsally cream-colored background with many small spots, particularly medially, a median lanceolate stripe, with the chevrons below, with a single dot below this, festoon prominent; ventrally cream-colored, dark laterally, caudally; legs light yellow, darkening slightly distally, with faint annulations. Carapace: 0.89 times longer than broad; fovea longitudinal, broad, very shallow. Eyes:AER nearly straight; PER slightly recurved; PME larger than AME, PLE largest, ALE smallest; eye diameters, AME 0.10, ALE 0.09, PME 0.16, PLE 0.25; interdistances AME-PME 0.06, PME-ALE 0.14, ALE-PLE 0.33. PME-PME 1.00. ALE-ALE 1.60; ocular quadrangle AME-AME 0.35, PLE-PLE 1.60; clypeus 0.05 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 I only slightly shorter than II and III; leg formula 2314; scopulae present on all 4 tarsi and metatarsi and tibia I and II; tarsi I-IV with strong claw tufts; pr claw per foot slightly toothed; spination: leg I, Fm pr 1–1–1, d 1–1–1, rl 1–1–1; Ti pr 1–0–1, d 1–0–1, rl 1–0–1, v 2–2–2; Mt pr 1–1–0, v 2–2–0, rl 1–0–0; leg II, Fm pr 1–1–1, d 1–1–1, rl 1–1–1; Ti pr 1–0–1, d 1–0–1, rl 1–0–1, v 2–2–2; Mt pr 1–1–0, v 2–2, rl 1–0–0; 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; Mt pr 1–1–0, rl 1–0–0, v 2–1; leg IV, Fm pr 1–1–1, d 1–1–1, rl 1–1–1; Ti pr 1–0–1, rl 1–0–0, v 1–1; Mt pr 1–1–0, rl 1–0–0, v 2–1. Abdomen:without terminal setal tufts. Pedipalp:Fm, spination d 0–1–4; cymbium oval in ventral view, slightly angled posterolaterally; scopulae scattered, denser toward tip; conductor hammer shaped to T-shaped, arising anteromedially on slightly curved stalk, reconnecting laterally, pointed laterally; embolus long and slender, beginning at 4 o'clock, terminating at 11 o'clock; MA narrow, sinuous, distally curved into small single hook, originating at 3–4 o'clock, directed distally; RTA extending 1/5 the length of cymbium in ventral view; with two apophyses, dorsal apophysis rectangular, only slightly curved, wider, truncate distally, ventral apophysis narrower, shorter (Figs 125–126). Dimensions: Total length 6.75. Carapace length 3.30, width 3.70. Sternum length 1.75, width 1.75. Abdomen length 3.45, width 2.85. Pedipalp: Fm 0.80, Pt 0.25, Ti 0.45, Ta 0.85, total 2.35. Leg I: Fm 4.00, Pt 1.75, Ti 4.00, Mt 3.75, Ta 1.60, total 15.10. Leg II: Fm 5.45, Pt 1.95, Ti 4.75, Mt 4.00, Ta 1.75, total 17.90. Leg III: Fm 5.00, Pt 1.50, Ti 4.75, Mt 4.00, Ta 1.60, total 16.85. Leg IV: Fm 4.50, Pt 1.00, Ti 3.75, Mt 3.50, Ta 1.25, total 14.00.
Female (sel_151): Color:carapace orange-brown, duskier laterally, white setae on lateral margins and in cephalic area; sternum light yellow to orange-brown, darker around border; chelicerae brown; maxillae brown, lightening distally; labium brown, lightening distally; abdomen dorsally cream-colored background with many small spots, particularly medially, with the splotches below this forming a fanned chevron pattern, with one dot below this, dark laterally, festoon prominent; ventrally cream-colored, dark laterally and caudally; legs light yellow to brown darkening distally, annulations faint. Carapace: 0.81 times longer than broad; fovea longitudinal, broad, very shallow. Eyes:AER nearly straight; PER slightly recurved; PME larger than AME, PLE largest, ALE smallest; eye diameters, AME 0.26, ALE 0.08, PME 0.28, PLE 0.40; interdistances AME-PME 0.04, PME-ALE 0.15, ALE-PLE 0.26. PME-PME 1.13 mm. ALE-ALE 2.98; ocular quadrangle AME-AME 0.40, PLE-PLE 3.05; clypeus 0.05 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 I only slightly shorter than II and III; leg formula unknown (at least one leg missing), 2341 (Alayón-García 1992[1]); scopulae present on all 4 tarsi and metatarsi of leg II and metatarsi and tibiae of leg I; tarsi I-IV with strong claw tufts; pr claw per foot slightly toothed; spination: leg I, Fm pr 1–1–0, d 1–1–1, rl 0–0–1; Ti d 0, v 2–2–2; Mt v 2–2; leg II, Fm pr 1–0–0, d 1–1–1, rl 0–0–1; Ti v 2–2–2; Mt v 2–2; leg III, Fm pr 1–0–0, d 1–1–1, rl 0; Ti v 1–1–0; Mt v 2–0. Abdomen:without terminal setal tufts. Pedipalp: claw with 7 teeth. Epigyne:anteromedian area less sclerotized than rest of epigynum, lateral lobes fused medially, sinuous projection medially, genital openings occur behind this, epigynal pockets present; internally, ducts lead to large roundish spermathecae, posterodorsal fold present, quadrangular, covering majority of internal ducts (Figs 123–124). Dimensions: Total length 8.00. Carapace length 3.45, width 4.25. Sternum length 1.88, width 1.88. Abdomen length 4.55, width 3.90. Pedipalp: Fm 1.00, Pt 0.30, Ti 1.50, Ta 1.00, total 3.80. Leg I: Fm 4.00, Pt 1.60, Ti 3.30, Mt 3.00, Ta 1.25, total 13.15. Leg II: Fm 5.00, Pt 1.75, Ti 4.40, Mt 3.00, Ta 1.00, total 15.15. Leg III: Fm 5.00, Pt 1.75, Ti 4.00, Mt 3.00, Ta 1.25, total 15.00. Leg IV: Missing.
Natural history
This species has been collected under bark, in riparian areas and dry forests. Alayón-García (1992)[1] also reported this species occurring under rocks in humid forests.
Distribution
Endemic to the Dominican Republic and seems to have a range restricted to the south of the country (Map 13).
Taxon Treatment
- Crews, S; 2011: A revision of the spider genus Selenops Latreille, 1819 (Arachnida, Araneae, Selenopidae) in North America, Central America and the Caribbean ZooKeys, 105: 1-182. doi
Other References
- ↑ 1.0 1.1 1.2 Alayón-García G (1992) La familia Selenopidae (Arachnida: Araneae) en República Dominicana. Poeyana 419:1-10.
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