Thiratoscirtus magnus, Wiśniewski & Wesołowska, 2024

Wiśniewski, Konrad & Wesołowska, Wanda, 2024, Jumping spiders (Salticidae) of Uganda - revised list, new species and distributional data, European Journal of Taxonomy 952, pp. 1-171 : 133-134

Thiratoscirtus magnus sp. nov.

urn:lsid:zoobank.org:act:F2C15FCD-6FAF-4216-AF4F-26374A70375C

Fig. 86

Diagnosis

The female is distinctive in having an epigyne with a very large depression (which actually covers the entire epigyne), divided by a narrow median ridge.

Etymology

The specific epithet is Latin, meaning ‘big’, and refers to large size of this spider.

Material examined

Holotype

UGANDA • ♀; Ntonde [Lyantonde, distr. in SW country]; Jun. 2001; FSCA.

Paratype

UGANDA • 1 ♀; same collection data as for holotype; FSCA.

Description

Male

Unknown.

Female

General appearance as in Fig. 86A

MEASUREMENTS. Cephalothorax length 4.3–4.5, width 3.4–3.5, height 1.9. Eye field length 1.9–2.0, anterior width 2.8–3.0, posterior width 2.6–2.8. Abdomen length 4.2–5.2, width 2.8–3.5.

CARAPACE. Oval brown with slightly darker eye field, black near eyes. Brown hairs form dark patches on thoracic part, among them long bristles, white hairs on lateral slopes and at anterior eye row. Chelicerae massive, unidentati, fang short. Mouthparts light brown with whitish tips, sternum dark yellow.

ABDOMEN. Ovoid, blackish with wide serrated median area covered with numerous black marks. Dorsum clothed in fawn and brown hairs, laterally hairs whitish. Venter with large triangular black patch, on sides dark marks. Spinnerets black.

LEGS. Light brown with numerous darker marks. Leg hairs and spines dark brown.

EPIGYNE. Large with a large shallow depression covering its entire surface, divided by narrow median ridge ( Fig. 86B–D ). Copulatory ducts thin, spermathecae relatively small, spherical ( Fig. 86E ).

Figures

Fig. 86. Thiratoscirtus magnus sp. nov. A, C–E. Holotype, ♀ (FSCA). B. Paratype, ♀ (FSCA). A. General appearance. B–D. Epigyne. E. Internal structure of epigyne.