Andromma katangensis, Bosselaers & Jocqué, 2022

Bosselaers, Jan & Jocqué, Rudy, 2022, Studies in the Liocranidae (Araneae): revision of Andromma Simon, 1893, European Journal of Taxonomy 850, pp. 1-78 : 57

Andromma katangensis sp. nov.

urn:lsid:zoobank.org:act:11F34E58-37C8-4E65-B3AE-6773A6EB2847

Figs 29 , 40

Diagnosis

The female of Andromma katangensis sp. nov. is characterized by the numerous leg spines with several lateral ones on tibia and metatarsus, and by the epigyne with small widely separated copulatory openings.

Etymology

The species name is an adjective, referring to the type location.

Type material

Holotype

D.R. CONGO • ♀; Katanga, Jadotville, Kasompi ; 10°59′ S, 25°53′ E; Oct. 1956; Z. Bacq leg.; termitière géante, Mission Bacq; BE_RMCA_ARA.Ara 90890 .

Description

Female (holotype, Fig. 29 )

MEASUREMENTS. Total length 4.18. Carapace length 2.57, width 2.20, height 0.71.

COLOUR ( Fig. 29A–B ). Carapace orange, gradually paler towards posterior margin; AME rim dark; fovea reddish; chelicerae orange; endites yellowish orange, paler along median and anterior margins; labium orange, paler in distal half; sternum orange with brownish precoxal triangles; legs yellowish orange; abdomen including spinnerets cream.

PROSOMA. Fovea pronounced, length 0.36, anterior end 1.21 from PME. MOQ length 0.26, anterior width 0.33, posterior width 0.34. AER straight from above, width 0.56, PER procurved from above, width 0.76. All eyes circular; AME 0.12, ALE 0.10, PLE 0.08, PME 0.07; AME–AME: 0.10, AME– ALE: 0.05, ALE–PLE: 0.02, PME–PME: 0.34. Clypeus vertical, 0.12, with seven long setae. Chelicerae with dorsal and ventral longitudinal groups of long setae; anterior margin with five teeth, three in a row, the most proximal the smallest and two tiny ones somewhat in a row slightly more inward. Chilum poorly developed, two sclerites, each 0.07 high, 0.15 wide. Sternum 1.56 long, 1.49 wide.

LEG SPINATION. All femora with one dorsal spine; T I pl 1-1 rl 1-1 v 2-2-2-2-2; Mt I rl 1 v 2-2-2; T II pl 1-1 rl 1-1 v 2-2-2-2; Mt II pl 1 rl 1 v 2-2-2; T III pl 1-1 rl 1-1 v 2-2-2-2; Mt III pl 1-1 rl 1-1 v 2-2; T IV pl 1-1 rl 1-1 v 2-1-2; Mt IV pl 1-1 rl 1 v 2-2.

LEG I MEASUREMENTS. Fe: 2.27, P: 0.85, T: 1.92, Mt:1.63, t: 1.07; total: 7.74.

PALP. Female palpal tarsus curved, with sparse scopula.

EPIGYNE ( Fig. 29C–F ). Roughly rectangular area, wider than long, with widely separated, small copulatory openings. Copulatory ducts with six tightly wound coils, ending in well-delimited, globular spermathecae; fertilisation ducts short, pointing in posterior direction. Sickle-shaped sclerites long and curved, also pointing backwards.

Male

Unknown.

Distribution

Known only from the type locality in D.R. Congo ( Fig. 40 ). The species is termitophilous.

Figures

Fig. 29. Andromma katangensis sp. nov., ♀, holotype (BE_RMCA_ARA.Ara 90890). A. Habitus, dorsal view. B. Cephalothorax, ventral view. C–D. Epigyne, ventral view. E–F. Same cleared, dorsal view. Abbreviations: CD=copulatory duct; CO= copulatory opening; FD = fertilisation duct; Sss =sickle shaped sclerites; ST =spermatheca. Scale bars: A=2 mm; B =1 mm; C–D =0.2 mm; E–F =0.1 mm.

Fig. 40. Distribution map of species ofAndromma Simon, 1893 (circles if shape of symbol not specified). A. anochetorum Simon, 1909 (white), A. deogratias sp. nov. (blue), A. dicranobelos sp. nov. (black), A. ghesquierei sp. nov. (fuchsia), A. heligmos sp. nov. (green triangle), A. juakalyi sp. nov. (yellow triangle), A. katangensis sp. nov. (green), A. ophiophagum sp. nov. (white squares), A. raffrayi Simon, 1899 (red) and A. velum sp. nov. (yellow).