Coryssiphus cinerascens Simon, 1903

Bosselaers, Jan, 2024, A revision of the genus Coryssiphus Simon, 1903, with its transfer to Systariinae (Araneae: Miturgidae), Zootaxa 5415 (1), pp. 153-168 : 162-165

publication ID	https://doi.org/ 10.11646/zootaxa.5415.1.7
publication LSID	lsid:zoobank.org:pub:27930661-26F3-40F0-859B-C5287F0ABE8F
DOI	https://doi.org/10.5281/zenodo.10716800
persistent identifier	https://treatment.plazi.org/id/03AB87A7-E733-FF83-FF07-FF52C442FDDD
treatment provided by	Plazi
scientific name	Coryssiphus cinerascens Simon, 1903
status

Treatment

Coryssiphus cinerascens Simon, 1903 View in CoL

Figs 1B View FIGURE 1 , 2E–G View FIGURE 2 , 5 View FIGURE 5 , 6C–E View FIGURE 6 , 8 View FIGURE 8

Coryssiphus cinerascens Simon, 1903a: 32 View in CoL (holotype ♂: SOUTH AFRICA: “Cap! Prom. Bonae Spei!” (MNHN 18821); Dippenaar-Schoeman et al., 2021: 9, 4 figs.

Coryssiphus unicolor Simon, 1903a: 32 View in CoL (holotype ♀: SOUTH AFRICA: “Cap! Prom. Bonae Spei!” (MNHN 13003); Dippenaar-Schoeman et al., 2021: 11. syn. nov.

Additional material examined. SOUTH AFRICA: Western Cape: 1♂, Cape Peninsula, Constantia, Vlakkenberg , fynbos near summit, 16 September–4 October 1992, leg. B. Heydenrych ( RMCA 174990 View Materials ) ; 1♂, Same data as previous but 4–12 October 1992, leg. Heydenrych ( RMCA 174995 View Materials ); 1♀, Same data as previous but 19 October–8 November 1992 ( RMCA 177006 View Materials ); 1♀, Cape Province, Houtbaai, Tierbos , in litter, December 1960, leg. N. Leleup ( RMCA 131824 View Materials ) ;

Additional data on material only examined from photographs. SOUTH AFRICA: Western Cape: 2♀, Cape Town , Kirstenbosch Botanical Gardens, 33°55’04’’S, 18°25’36’’E, 214 m a.s.l., leaf litter in Afromontane forest , 11 December 2012, leg. J.A. Neethling ( NCA 2013 /673); GoogleMaps 1♂, Same locality 33°59.216’S, 18°25.742’E, 165 m a.s.l., sifting litter, Afromontane forest , 4 October 2022, leg. C. Haddad, D. Harms, R. Booysen & J. Neethling ( NMBA 18840 View Materials ); GoogleMaps 1♀, Cape Town, Western slope of Table Mountain , 6 November 1949, leg. B. Malkin ( CAS 9033195 View Materials ); 3 imm. 2♀, Stellenbosch, Jonkershoek Nature Reserve, 33°59.584’S, 18°57.358’E, 405 m a.s.l., sifting litter, Afromontane forest , 4 October 2022, leg. C. Haddad, D. Harms, R. Booysen & J. Neethling ( NMBA 18876 View Materials ) GoogleMaps GoogleMaps .

Diagnosis. Coryssiphus cinerascens is close to C. praeustus , but differs from it by the smaller body size, the slightly shorter, sturdier legs, especially the tibiae of legs and palps ( Tables 1 View TABLE 1 , 2 View TABLE 2 ), the shorter cymbium of the male palp ( Figs 5C, D View FIGURE 5 , 6D View FIGURE 6 ), the epigyne that has a trapezoidal instead of bell-shaped central depression ( Figs 6C View FIGURE 6 , 8E View FIGURE 8 ), and the ST2 that are oriented antero-laterally instead of almost longitudinally ( Figs 6E View FIGURE 6 , 8G View FIGURE 8 ).

Description. Male (holotype unless mentioned otherwise). Somatic morphology as described for the genus. Total l (n = 3) 3.2–3.3; carapace l 1.6, w 1.3; sternum l 0.9, w 0.9. Fovea situated 1.1 from front, fovea l 0.3 ( Fig. 5A View FIGURE 5 ). Eye arrangement: AER w 0.34, PER w 0.47, MOQ frontal end 0.20, posterior end 0.26, longitudinal l 0.24. Legs relatively short and sturdy ( Table 1 View TABLE 1 ). Leg spination as in Fig. 2E View FIGURE 2 ; ventral side of ti I with 6 vsp, ti II with 5 vsp. Male palp with cylindrical ti, cy about twice as long as diameter of bulbus ( Table 2 View TABLE 2 , Figs 5C View FIGURE 5 , 6D View FIGURE 6 ).

Leg measurements:

fe pa ti mt ta Total

I 1.47 0.66 1.60 1.18 0.71 5.62

II 1.24 0.58 1.24 0.92 0.60 4.58

III 0.97 0.39 0.79 0.87 0.58 3.60

IV 1.42 0.60 1.47 1.29 0.71 5.50

Female (holotype of C. unicolor unless otherwise stated). Somatic morphology as described for the genus. Total l 4.7–5.2 (n = 3), carapace l 1.7, w 1.5; sternum l 1.0, w 0.9. Fovea situated 1.1 from front, fovea l 0.3 ( Fig. 8A View FIGURE 8 ). Eye arrangement: AER w 0.45, PER w 0.55, MOQ frontal end 0.21, posterior end 0.28, longitudinal l 0.26. Legs relatively short and sturdy ( Table 1 View TABLE 1 ). Leg spination as in Fig. 2F, G View FIGURE 2 ; ventral side of ti I with 6–7 vsp, ti II with 6 vsp. Epigyne with trapezoidal central depression and sclerotised lateral rims that diverge over their entire length ( Figs 6C View FIGURE 6 , 8E View FIGURE 8 ). Long axis of ST2 oriented in antero-lateral direction ( Figs 6E View FIGURE 6 , 8G View FIGURE 8 ).

Leg measurements:

fe pa ti mt ta Total

I 1.53 0.71 1.60 1.05 0.74 5.62

II 1.39 0.63 1.37 0.92 0.68 5.00

III 1.26 0.53 1.05 0.95 0.63 4.42

IV 1.71 0.66 1.66 1.47 0.82 6.31

Distribution. At present only known from the Cape Peninsula and Stellenbosch, South Africa, but most probably present within a radius of at least 60 km from the latter (Haddad, pers. comm.).