Hortipes bjorni, BOSSELAERS & JOCQUÉ, 2000

BOSSELAERS, JAN & JOCQUÉ, RUDY, 2000, Hortipes, A Huge Genus Of Tiny Afrotropical Spiders (Araneae, Liocranidae), Bulletin of the American Museum of Natural History 2000 (256), pp. 4-4 : 4-

Hortipes bjorni , new species Figure 21a, b ; Map 2

TYPES: Male holotype: Kimboza forest, elev. 250 m, Uluguru Mountains, Tanzania (18 July 1981; M. Stoltze and N. Scharff) ( ZMUC) .

ETYMOLOGY: The species name is a patronym in honor of Per de Place Bjørn, student of African spiders.

DIAGNOSIS: Males of H. bjorni are recognized by the peculiar RTA with two prongs, a dorsal slender one with a hook­shaped tip and a short, sharp ventrolateral one.

I 0.84, II 0.89, III 0.68, IV 0.95. Leg spination. Fe: I rv 2; IV plt 0 rlt 0; ti: I, II vsp 6; mt: III plt 1 vt 0 rlt 0; IV plt 1 vt 1 rlt 1. Coloration. Carapace, chelicerae, sternum, and legs pale yellow. Abdomen yellowish white, no pattern. Palp. Tibia with well­developed RTA provided with two prongs: one long, slender, dorsal with twisted, hookshaped tip, second retrolateral, short, with wide base and thin sharp tip; cymbium with large, retrolateral concavity with series of widely spaced long setae; sperm duct with wide basal part and narrow distal part with S­shaped turn just in front of embolus; MA fairly small, with broad curved proximal part and strongly curved, slender distal part; embolus with broad, roughly triangular base, long, whiplike, looped over almost 360° (fig. 21a, b).

FEMALE: Unknown.

DISTRIBUTION: Known only from the type locality.

Figures

Map 2. Distribution of Hortipes species in Tanzania. Hortipes angariopsis z, H. bjorni v, H. castor •, H. creber h, H. cucurbita ^, H. delphinus., H. exoptans, H. fastigiensis #, H. narcissus Δ, H. leno, H. libidinosus * H. mulciber, H. ostiovolutus n, H. platnicki D, H. pollux O, H. salticola V, H. scharffi, and H. stoltzei y.

Fig. 21. a, b. Hortipes bjorni, new species, male left palp, ventral and retrolateral views. Arrow indicates insertion of MA on tegulum. c. Hortipes amphibolus, new species, epigyne. d–f. Hortipes hastatus, new species. d, e. Male left palp, ventral and retrolateral views. f. Epigyne. g. Hortipes horta, new species, epigyne. h. Hortipes angariopsis, new species, epigyne. i–k. Hortipes falcatus, new species.