Cebrennus atlas Jäger, 2014, spec. nov.
Creators: name: Jäger, Peter
Publisher: name: Zenodo
Year: 2014
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Araneae
Sparassidae
Cebrennus
Cebrennus atlas

description: Cebrennus atlas spec. nov.
Figs 7–11, 94–96, 173
Type material. MOROCCO: Marrakesh-Tensift-El Haouz: Holotype female (PJ 3403), Atlas, ca. 15 km N of pass Tizi N'Test, under stone with egg sac, S. Huber leg. 24 July 2000 (SMF).
Diagnosis. Medium-sized Sparassinae, body length of female: 12.8. Copulatory organ similar to that of C. powelli Fage, 1921 in having the median septum wider than long and the general bauplan of the vulva (Figs 7–9). It is distinguished by the distinct transverse rim halfway between copulatory openings and epigastral furrow (at level of and between copulatory openings in C. powelli), epigynal ledges anterior of copulatory openings (situated laterally in C. powelli), sclerotized (posterior) part of internal duct system roughly as long as wide (ca. twice as wide as long in C. powelli), diameter of glandular appendages larger than half diameter of copulatory duct (smaller in C. powelli).
Etymology. The specific name is derived from the type locality; noun in apposition.
Description. Female: PL 6.1, PW 5.8, AW 4.6, OL 6.7, OW 3.7. AME 0.40, ALE 0.32, PME 0.26, PLE 0.28, AME–AME 0.27, AME–ALE 0.33, PME–PME 0.55, PME–PLE 1.12, AME–PME 0.40, ALE–PLE 1.05, clypeus AME 0.25, clypeus ALE 0.21 (Fig. 10). Spination: Palp: 0 20, 0 0 0, 1000, 1000; legs: femur I–II 323, III–IV 321; patella 000; tibia I–IV 2024; metatarsus I–III 2024, IV 3036. Ventral metatarsi I–IV with scopula in distal half, without spines or bristles distally. Leg formula: 2413. Measurements of palp and legs: Palp 7.1 (2.3, 1.0, 1.3, -, 2.5), leg I 22.7 (6.5, 2.9, 5.8, 6.0, 1.5), leg II 25.6 (7.5, 3.0, 6.5, 6.8, 1.8), leg III 19.5 (6.0, 2.4, 4.7, 4.8, 1.6), leg IV 23.0 (7.1, 2.5, 5.5, 6.3, 1.6). Cheliceral furrow with 2 anterior and 6 adnate posterior teeth, without denticles (Fig. 11). Margin of chelicerae close to fang base with 2(3) bristles. Palpal claw with ca. 12 teeth.
Copulatory organ as in diagnosis (Figs 7–9). Epigynal field wider than long, without anterior bands, with one slit sensillum on each side integrated within epigynal field. Membranous parts of internal duct system (atria) developed as anteriorly situated sacs of different shapes. Sclerotised, posterior part wide, narrowing posteriorly, slightly twisted, posterior part bent at right angle. Fertilisation ducts flattened, parallel, anteriad.
Colouration in ethanol (Figs 94–96): Yellowish- to reddish-brown. Dorsal prosoma yellowish-brown with fovea and anterio-lateral margin darker. Sternum, ventral coxae and femora pale yellowish-brown. Gnathocoxae and labium reddish-brown with distinct proximal patch and light yellowish-brown distal lip. Chelicerae deep reddish-brown with 3 dark longitudinal bands frontally. Palp and legs yellowish-brown with distal segments darker. Opisthosoma shrunken with pattern badly recognisable: dorsally with indistinct median row of small patches, laterally spotted.
Male: unknown.
Distribution. Only known from the type locality (Fig. 173).
description: Published as part of Jäger, Peter, 2014, Cebrennus Simon, 1880 (Araneae: Sparassidae): a revisionary up-date with the description of four new species and an updated identification key for all species, pp. 319-356 in Zootaxa 3790 (2) on page 324, DOI: 10.11646/zootaxa.3790.2.4, http://zenodo.org/record/29899