Afroceto corcula Lyle & Haddad 2010, sp. n.
Creators: name: Lyle, Robin
name: Haddad, Charles R.
Publisher: name: Zenodo
Year: 2010
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Araneae
Trachelidae
Afroceto
Afroceto corcula

description: Afroceto corcula sp. n.   Figs 10, 64–66  
 Etymology: From Latin corcullum (little heart); refers to the heart­shaped structure of the epigynal ridges.   
Diagnosis: This species is easily recognised by the heart shape of the anterior epigynal ridges. It can be further recognised by the small globular shape of ST I and ST II, linked by a curved duct (Figs 65, 66). Ventral cusps are present on the anterior metatarsi and tarsi (Fig. 64). Male unknown.  
Description:  
 Female.   
Measurements: CL 2.80–2.95, CW 2.30–2.48, AL 2.60–3.50, AW 2.20–2.23, TL 5.70– 6.40, FL 0.18–0.20, SL 1.60–1.78, SW 1.33–1.38, AME–AME 0.15, AME–ALE 0.08, ALE–ALE 0.48, PME–PME 0.15, PME–PLE 0.20, PLE–PLE 0.83. Length of leg segments (sequence from femur to tarsus, and total): I 2.40+1.08+1.98+1.60+1.08=8.14; II 2.25+1.10+1.68+1.53+1.03=7.59; III 1.78+0.88+1.13+1.45+0.55=5.79; IV 2.50+1.05+ 1.95+1.80+0.70=8.00.  
 Carapace bright orange to brown (Fig. 10); first two thirds of carapace convex, last third with relatively steep decline; surface smooth, covered in short, fine setae; fovea short, distinct, at two thirds CL. Ocular region brown with dark brown rings around eyes; AER slightly recurved,AME slightly larger than ALE; clypeus height equal to AME diameter; AME separated by distance slightly less their diameter; AME separated from ALE by 0.4 AME diameter; PER recurved, PLE slightly larger than PME; PME separated by 1.2 their diameter; PME separated from PLE by 1.6 PME diameter. Chelicerae orange, slightly darker at fang base; scattered long setae on anterior surface, increasing slightly in length towards fang base; fang pale orange; two promarginal teeth, distal tooth largest; one retromarginal tooth, situated distally. Sternum pale orange, brown towards border; surface covered in fine, long, pale setae. Abdomen cream dorsally, with very pale grey chevron with few lateral branches; abdomen broader anteriorly, tapering posteriorly; two pairs of pale grey sigilla, anterior and posterior to midpoint of abdomen; fine scattered setae covering abdomen; venter cream. Legs I to IV uniform brown to pale yellow; anterior legs more robust than posterior pairs; relatively dense scopulae on ventral surface of tibiae, metatarsi and tarsi; remaining leg segments covered in fine, pale setae; leg spines and cusps present. Leg spination: femora: I pl 2; patellae spineless; tibiae: III pl 1 vt 1, IV plv 1 vt 2; metatarsi: I plv 5 cusps, II plv 5 cusps, III pl 1 rl 1 plv 1, IV pl 1 rl 1 plv 2; tarsi: I plv 4 cusps, II plv 3 cusps (Fig. 64). Epigyne weakly sclerotised; epigynal ridges meeting anteriorly medially, heart­shaped, extending laterally to median copulatory openings (Fig. 65); ST II globular, situated slightly anterior to copulatory openings, with curved narrow duct leading to slightly larger globular lateral ST I; ST I situated posterior to copulatory openings (Figs 65, 66).   
 Holotype: ♀ SOUTH AFRICA: Northern Cape: Horingsgat, ca 4 km N of Leliefontein in Kamiesberg, 30°18'S: 18°05'E, 24–25.ii.1979, B. Lamoral (NMSA, 11891).   
 Paratype: ♀ SOUTH AFRICA: Western Cape: Clanwilliam, Dwars Rivier 330, 32°31'S: 19°16'E, 13.iii.1993, L.N. Lotz, night in house (NMBA, 5940).   
Distribution: Known from the Western and Northern Cape provinces, South Africa (Fig. 67).
description: Published as part of Lyle, Robin & Haddad, Charles R., 2010, A revision of the tracheline sac spider genus Cetonana Strand, 1929 in the Afrotropical Region, with descriptions of two new genera (Araneae Corinnidae), pp. 321 in African Invertebrates 51 (2) on pages 350-352, DOI: 10.5733/afin.051.0206, http://zenodo.org/record/7913561