Hortipes hastatus, 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-

publication ID

https://doi.org/ 10.1206/0003-0090(2000)256<0004:HAHGOT>2.0.CO;2

persistent identifier


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scientific name

Hortipes hastatus

sp. nov.

Hortipes hastatus View in CoL , new species Figures 21d–f View Fig , 22c, d View Fig ; Map 3 View Map 3

TYPES: Male holotype: montane forest with bamboo, elev. 2800 m, Uvira region , Kahololo heights, Congo S03°12', E28°51' (January 1960; N. Leleup) ( MRAC 202.487 View Materials ). Paratypes: 16 from sifting forest litter, elev. 1740 m, Kitahurira, Bwindi Impenetrable National Park, Rukungiri district, Uganda S00°58', E29°41' (17–19 September, 1996; C. Griswold) ( CAS) GoogleMaps ; 1♀ in pitfall trap in forest, elev. 1740 m, same locality (14–24 September 1996; C. Griswold, G. Mayoba, J. Vindum) ( CAS) GoogleMaps ; 16 in humus, elev. 2400 m, Mt. Lubwe , SE of Butembo, Kivu, Congo S00°02', E29°18' (15 April 15 1971; M. Lejeune) ( MRAC) GoogleMaps ; 1♀ in litter in Arundinaria alpina forest, elev. 2400 m, Bwindi Impenetrable National Park , along Kabale Kayonza road, Kabale District, Uganda S01°05', E29°48' (16 September 1996; C. Griswold) ( CAS) GoogleMaps .

ETYMOLOGY: The species is named hastatus because the RTA of the male palp has the shape of a spear head.

DIAGNOSIS: Males of H. hastatus are recognized by the RTA with harpoon­shaped frontal tip and the thick MA. Females are close to those of H. horta but differ from the latter species by the almost straight epigynal slit and the ID passing along the dorsal side of ST1 and entering ST1 anteriorly and from the outside instead of posteriorly and from the inside.

MALE: Measurements. Total length 2.30; carapace 1.08 long, 0.84 wide; length of fe: I 0.89, II 0.95, III 0.76, IV 1.03. 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 and legs orange, sternum and chelicerae yellowish brown. Abdomen greyish white, covered with pointed grey setae interspersed with grey feathery hairs. Palp. Tibia with medium­sized RTA directed forward, with harpoon­shaped frontal tip and basal knob; cymbium fairly elongate, narrow as seen from above, with deep swelling at base of embolus; sperm duct with wide basal part and not much narrower distal part without visible turn; MA solid, gradually tapered from thick base to sharp tip, sinuous and curved down, without median flap; embolus originating far in front on tegulum, long, whiplike, looped over 540° (fig. 21d, e).

FEMALE: Measurements. Total length 2.97; carapace 1.22 long, 0.95 wide; length of fe: I 0.92, II 1.00, III 0.78, IV 1.11. 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, sternum, and legs yellowish brown, chelicerae yellow. Abdomen pinkish grey, covered with pointed grey setae interspersed with grey feathery hairs. Genitalia. Epigyne a simple, slightly curved, transversal slit (fig. 21f). Vulva: ID consisting of first, straight, weakly sclerotized stretch running in frontal direction, followed by wider, more heavily sclerotized part associated with gland. Wider part connected to ST1 by very complex stretch consisting of several circular and hairpin loops completely covering ventral side of ST1 and even passing along its dorsal side (fig. 22c, d).

OTHER MATERIAL EXAMINED: Uganda: 16 from sifting litter in forest, elev. 1400 m, Buhoma Bwindi, Impenetrable National Park, Rukungiri district S00°59', E29°36' (20–24 September 1996; C. Griswold) ( CAS). Congo: 16 in humic substrate, elev. 2200 m, montane forest, Lubero , Kivu S00°10', E29°14' (January 1952; R.P. Celis) ( MRAC) GoogleMaps ; 16 in humus, elev. 2000 m, Kabare, Lwiro , Kivu S02°15', E28°48' (1953; N. Leleup) ( MRAC) GoogleMaps ; 26 in litter, elev. 2100 m, Lubero­ Goma road, 18 km S of Lubero, Bikara , Kivu S00°15', E29°12' (December 1976; M. Lejeune) ( MRAC) GoogleMaps .

VARIABILITY: The exact course of the coils and loops of ID is somewhat variable.

DISTRIBUTION: Kivu, Congo, and SW Uganda, between elev. 1400 and 2800 m.


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