Kibo simoni (Lessert, 1925) Wesołowska & Szűts, 2021

Wesołowska, Wanda & Szűts, Tamás, 2021, A revision of the genus Pochyta Simon, with descriptions of new species (Araneae: Salticidae: Thiratoscirtina), Zootaxa 5052 (1), pp. 1-41 : 35-36

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Kibo simoni (Lessert, 1925)

comb. n.

Kibo simoni (Lessert, 1925) comb. n.

Figs 144–157 View FIGURES 144–148 View FIGURES 149–157

Pochyta simoni Lessert 1925: 505 , figs 87–91 (D ♂ ♀).

Type material. Lectotype (designated here), male: TANZANIA: Kiboscho [Kilimanjaro massif], 3°04′33″S 37°21′12″E, 1905–1906, leg. Y. Sjöstedt ( NR) GoogleMaps . Paralectotypes: together with lectotype, 2♂ 13♀.

Other material examined. TANZANIA: Kilimanjaro, near Bismarck Hut , 2000 m a.s.l., moss on rock, 3♂ 1♀ 2 imm., 13.VI.1948, leg. A. Holm ( NR) ; same locality, 2480 m a.s.l., 1♂ 3♀, 13.III.1969, ( MEU) ; same locality, 2♂ 1♀, 14.III.1969, ( MEU) ; same locality, 1 subad. ♂ 1♀ 1 subad. ♀, 16.II.1969, ( MEU) ; same locality, 1♂ 1 imm., 16.III.1969, ( MEU) ; Mt Meru , 3°14′48″S 36°44′54″E, 2450 m a.s.l., moss under Juniperus , 9♂ 3♀, 14.I.1971, ( MEU) GoogleMaps ; same locality, 1♂, 1 imm., 15.I.1971, ( MEU) GoogleMaps ; Ngorongoro , 03°12′36″S 35°27′36″E, crater rim, 2250 m a.s.l., 4♂ 2♀, 19.III.1969, ( MEU) GoogleMaps ; same locality, 3♂ 2♀ 1 imm., 15.III.1969 ( MRAC) GoogleMaps . All specimens (except the type series) collected by Ǻ. Holm ,

Diagnosis. This species is distinguished by the form of its genital organs. The male has a bulb divided into two longitudinal lobes, a ribbon-like embolus and short pointed tibial apophysis ( Fig. 150 View FIGURES 149–157 ). The epigyne has two rounded depressions in anterior half and a double pocket at epigastric furrow ( Fig. 156 View FIGURES 149–157 ).

Redescription. Male. Measurements. Cephalothorax: length 2.2–2.4, width 1.7–1.9, height 1.0–1.1. Abdomen: length 2.4–2.7, width 1.5–1.9, height 0.9–1.0. Eye field: length 0.9–1.0, anterior width 1.3–1.4, posterior width 1.2– 1.3. General appearance as in Figs 144–146 View FIGURES 144–148 . Carapace oval, slightly wider posteriorly, high in cephalic part, brown, eyes surrounded by black rings (except anterior medians) and encircled by whitish short hairs, yellowish median band on thoracic part. White hairs form light streaks on lateral sides of carapace, sparse protruding brown bristles on dorsum, dense colourless recumbent hairs on eye field, whitish between anterior eyes. Light hairs on clypeus ( Fig. 146 View FIGURES 144–148 ) and dorsal surfaces of chelicerae. Chelicera with large tooth on retromargin ( Fig. 149 View FIGURES 149–157 ). Sternum yellow (in some specimens with brown marginal ring), mouthparts orange with pale tips. Abdomen oval, brownish, with yellow herring bone pattern, sides yellow with brown marks, venter light, mottled, in darker specimens with median grey streak. Bristles on abdomen sparse. Anterior spinnerets beige, posteriors brown. Legs yellowish, with dark brown rings at base of tibia and distal ends of tibia and metatarsus, first pair longest, brown. Tibia I with three pairs of ventral spines and single prolateral spine in basal part; metatarsus relatively long, with two pairs of ventral spines (all spines of medium length). Pedipalps as in Figs 148 View FIGURES 144–148 , 150–154 View FIGURES 149–157 , tibial apophysis short and pointed, cymbium dark brown, bulb with irregular shape, divided into two lobes by longitudinal fossa, embolus emerging beneath distal end of fossa, embolus ribbon-like, coiled on bulb tip.

Female. Cephalothorax: length 2.6–2.7, width 1.9, height 0.9–1.2. Abdomen: length 3.5–4.0, width 2.3–2.9, height 0.9–1.0. Eye field: length 1.0–1.1, anterior width 1.6–1.7, posterior width 1.4–1.6. General appearance as in Fig. 147 View FIGURES 144–148 . Similar to male, slightly larger and lighter coloured, with wider abdomen, smaller tooth on retrolateral edge of chelicerae, first pair of legs shorter. Palp with single retrolateral spine on tarsus ( Fig. 155 View FIGURES 149–157 ). Epigyne with pair of pockets at epigastric furrow and two rounded deep depressions in anterior part ( Fig. 156 View FIGURES 149–157 ). Internal structure as in Fig. 157 View FIGURES 149–157 , seminal ducts membranous, broad in their initial parts, looping posteriorly, entering small bicapsular spermathecae mesially.

Distribution. Species known from Kilimanjaro massif, Mt Meru and Ngorongoro.

Remarks. The type series contain 3♂ 13♀ (syntypes). One male (largest, in good condition) is designated as the lectotype and the others as paralectotypes for stability of the nomenclature.


Musée Royal de l’Afrique Centrale














Kibo simoni (Lessert, 1925)

Wesołowska, Wanda & Szűts, Tamás 2021

Pochyta simoni

Lessert 1925: 505