Chumma lesotho, Jocqué & Alderweireldt, 2018

Jocqué, Rudy & Alderweireldt, Mark, 2018, New Chummidae (Araneae): quadrupling the size of the clade, European Journal of Taxonomy 412, pp. 1-25 : 13-14

Chumma lesotho sp. nov.

urn:lsid:zoobank.org:act:2B117D04-879D-4584-8641-BC5DFB20F002 Figs 5E , 6 A–D, 12

Diagnosis

The female of C. lesotho sp. nov. is recognized by the small triangle in the centre of the epigyne and the obliquely positioned spermathecae provided with a retromedian extension and a frontal protuberance.

Etymology

The specific epithet is a noun in apposition taken from the type locality.

Material examined

Holotype

LESOTHO: ♀, Mohale lodge, Likalaneng, 29°28.425′ S, 28°03.412′ E, 2233 m a.s.l., under rock on hillside, 4 Mar. 2003, C. Haddad leg. ( MRAC 215897 ).

Description

Female

BODY MEASUREMENTS. TL 3.07, CL 1.23, CW 1.03, CH 0.63.

CARAPACE. Pale yellow, with darker pale brown striae and pattern in cephalic area; chelicerae, legs and sternum pale yellow ( Fig. 6 A–B).

ABDOMEN. With subcircular pale brown scutum, anterior part with spiniform setae in sockets in front of pale circles becoming smaller backwards, absent from one third of scutum length.

EYES. AME: 0.20; ALE: 0.33; AME–AME: 0.07; AME–ALE: 0.07; PME: 0.27; PLE: 0.30; PME–PME: 0.27; PME–PLE: 0.13. Clypeus 0.17 or 0.52 times width of ALE.

STERNUM. Length 1.73, width: 1.73, as long as wide.

LEGS. Tarsi slightly curved. Fe I with one dorsal and one prolateral spine, Fe II with one dorsal spine. EPIGYNE ( Figs 5E , 6 C–D). Small rectangular depression, preceded by a narrow ridge; spermathecae visible in transparency, subglobular, provided with tapered retro-median extension and anterior protuberance.

Male

Unknown.

Distribution

Known only from the type locality in central Lesotho ( Fig. 12 ).

Figures

Fig. 5. A–D. Chumma interfluvialis sp. nov. A–C. Holotype, ♂. A. Palp, prolateral view. B. As preceding, retrolateral view. C. As preceding, ventral view. D. Paratype, ♀, epigyne, ventral view. – E. Chumma lesotho sp. nov., holotype, ♀, epigyne, ventral view. Scale bars: 0.2 mm.

Fig. 6. Chumma lesotho sp. nov., holotype, ♀. A. Habitus, dorsal view. B. As preceding, ventral view. C. Epigyne, ventral view. D. Epigyne, cleared, dorsal view. Scale bars: A–B = 0.5 mm; C–D = 0.2 mm. Arrows indicate anterior protuberance on spermathecae.

Fig. 12. Distribution map of Chumma spp.: C. bicolor sp. nov. (▲); C. foliata sp. nov. (●); C. gastroperforata Jocqué, 2001 (●); C. inquieta Jocqué, 2001 (Ǫ); C. interfluvialis sp. nov. (■); C. lesotho sp. nov. (●); C. striata sp. nov. (●); C. subridens sp. nov. (●); C. tsitsikamma sp. nov. (●).