Uroballus

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Uroballus
Uroballus carlei male 2.jpg
male Uroballus carlei from Hong Kong
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Araneae
Infraorder: Araneomorphae
Family: Salticidae
Subfamily: Salticinae
Genus: Uroballus
Simon, 1902
Type species
Uroballus octovittatus
Simon, 1902
Species

See text.

Uroballus is an Asian spider genus of the jumping spider family, Salticidae. It includes seven accepted species. [1] [2]

Contents

Uroballus is similar to the related genus Stertinius . [3] Other related genera are Ligurra , Phyaces and Simaetha . [4]

Description

Members of this genus have been described from India and Sri Lanka, Vietnam, Hong Kong, and Borneo. [1]

Description

Uroballus are about 3 mm long in both sexes. The cephalothorax is very broad, almost square. The abdomen is oval, the first pair of legs thick and short with swollen femora. The other legs are weak.

The spinnerets are very long and thin. [5] Among spiders, only Hersiliidae possess longer spinnerets. The function of such long spinnerets remains unknown. [4] Adult spiders of some species may mimic lichen moths caterpillars. [2]

Name

The genus name is a combination of Ancient Greek οὐρᾱ́ (ourā́) "tail" and the salticid genus Ballus , referring to the long spinnerets.

Species

As of October 2025, this genus includes seven species: [1]

References

  1. 1 2 3 "Gen. Uroballus Simon, 1902". World Spider Catalog. doi:10.24436/2 . Retrieved 2025-10-28.
  2. 1 2 Logunov, D.V. & Obenauer, S.M. 2019. A new species of Uroballus Simon, 1902 (Araneae: Salticidae) from Hong Kong, a jumping spider that appears to mimic lichen moth caterpillars. Israel Journal of Entomology 49(1): 1–9.
  3. ↑ Logunov, D. V. (2018). Description of two new species from the genera Stertinius Simon, 1890 and Uroballus Simon, 1902 (Aranei: Salticidae) from north Borneo. Arthropoda Selecta27(1): 57-60
  4. 1 2 Logunov, D. V. (2014). Description of a new species of Uroballus Simon, 1902 (Araneae: Salticidae) from Malaysia, with the longest spinnerets of any known jumping spider. Zootaxa 3894(1): 183-187
  5. ↑ Murphy & Murphy 2000: 289

Bibliography

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