Jumping spiders (Salticidae) of Uganda - revised list, new species and distributional data Author Wiśniewski, Konrad 5C3810D5-35FE-48B5-9AC8-8E6A436BE436 Institute of Biology, Pomeranian University in Słupsk, Arciszewskiego 22 a, 76 - 200 Słupsk, Poland. konrad.wisniewski.araneae@gmail.com Author Wesołowska, Wanda E362DE8A-ECB7-4C6E-B373-9E1821D214F7 Department of Biodiversity and Evolutionary Taxonomy, University of Wrocław, Przybyszewskiego 65, 51 - 148 Wrocław, Poland. wanda.h.wesolowska@gmail.com text European Journal of Taxonomy 2024 2024-09-04 952 1 171 https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/2647/12221 journal article 10.5852/ejt.2024.952.2647 2118-9773 13752285 00BEAF45-3564-4079-BB79-504FF82966C6 Thiratoscirtus spinifer sp. nov. urn:lsid:zoobank.org:act: 65BBB4DC-4A68-41DE-9203-C8A4CED48B77 Figs 88–89 Diagnosis The male of this species is distinctive by the presence of a stout spine on the retrolateral side of the cymbium.The palp is slightly similar to that in Thiratoscirtus mastigophorus Wiśniewski & Wesołowska, 2013 , but the embolus in the newly described species is clearly longer (one and a half times surrounding the bulb, while in the latter species the embolus forms an incomplete circle) and with a bicuspid tibial apophysis (pointed in the other species). Etymology The specific name refers to the presence of a conspicuous thorn on the cymbium. Material examined Holotype UGANDA • ♂ ; Ruwenzori , Bundibugyo ; 0°43′ N , 30°03′ E ; 1050 m a.s.l. ; 1952; G.O. Evans leg.; NHM . Other material UGANDA • 1 ♂ ; same collection data as for holotype (specimen incomplete, with only one palp, the thorn broken off); NHM . Description Male General appearance as in Fig. 88A–B. MEASUREMENTS . Cephalothorax length 2.6, width 2.1, height 1.2. Eye field length 1.3, anterior width 1.7, posterior width 1.8. Abdomen length 2.5, width 1.6. CARAPACE . Oval, brown, fovea clearly marked, eyes with black rings. Dorsum covered with faint transparent hairs, sides with white stripes, some longer bristles near eyes, a few white hairs between anterior median eyes. Chelicera long, unidentate. Mouthparts brown with light tips, sternum yellow. Fig. 88. Thiratoscirtus spinifer sp. nov. , holotype, ♂ (NHM). A . General appearance, dorsal view. B . General appearance, dorsolateral view. C . General appearance, frontal view. D . Palpal organ, ventral view. E . Palpal organ, ventrolateral view. F . Palpal organ, lateral view. G . Palpal organ, dorsal view. Fig. 89. Thiratoscirtus spinifer sp. nov. , holotype, ♂ (NHM). A . Palpal organ, ventral view. B . Palpal organ, lateral view. C . Palpal organ, dorsal view. ABDOMEN . Ovoid, yellowish with mosaic composed of brownish marks, posteriorly traces of light chevrons ( Fig. 88B ). Venter yellowish with four lines of dark dots. Some brown bristles on anterior abdominal edge. Spinnerets yellowish. LEGS . Yellow, only first pair brown with dark tibiae and metatarsi. Leg hairs and spines brown, ventral spines on metatarsus I long. PALPS . Yellow. Cymbium with tutaculum and stout spine on retrolateral side ( Figs 88F–G , 89B–C ). Palpal tibia broad basally and abruptly pointed ( Figs 88F , 89B ). Bulb rounded, embolus long, one and a half times surrounding the bulb ( Figs 88D–E , 89A ). Female Unknown.