Ischnocolus Explained

Ischnocolus is a genus of tarantulas that was first described by Anton Ausserer in 1871.^[1] This tarantula genus includes some of the smallest in the family.^[2]

Diagnosis

Males of this genus can be distinguished by the palpal bulb morphology, which owns a slightly bent apical end. Females can be distinguished by the morphology of the spermatheca, which is made up of two twisted receptacles.

Species

it contains eight species, found in Europe, Asia, Africa, and Brazil:^[3]

• Ischnocolus elongatus (Simon, 1873) – Morocco, Algeria
• Ischnocolus hancocki Smith, 1990 – Morocco
• Ischnocolus ignoratus Guadanucci & Wendt, 2014 – Israel, Syria
• Ischnocolus jickelii L. Koch, 1875 – Ethiopia, Eritrea, Djibouti, Somalia, Yemen, Saudi Arabia, Oman, United Arab Emirates
  • Ischnocolus mogadorensis Simon, 1909 - Morocco, Western Sahara Ischnocolus rubropilosus Keyserling, 1891 – Brazil
• Ischnocolus tomentosus Thorell, 1899 – Cameroon, Congo
• Ischnocolus valentinus (Dufour, 1820) (type) – Spain, Italy (Sicily), Morocco, Algeria, Tunisia, Libya
• Ischnocolus vanandelae Montemor, West & Zamani, 2020 – Oman, Iran

In synonymy

• I. adenensis (Simon, 1890) = Ischnocolus jickelii L. Koch, 1875
• I. africanus (Ausserer, 1875) = Ischnocolus elongatus (Simon, 1873)
• I. algericus Thorell, 1875 = Ischnocolus valentinus (Dufour, 1820)
• I. andalusiacus (Simon, 1873) = Ischnocolus valentinus (Dufour, 1820)
• I. cavicola (Simon, 1889) = Ischnocolus valentinus (Dufour, 1820)
• I. fuscostriatus Simon, 1885 = Ischnocolus valentinus (Dufour, 1820)
• I. holosericeus L. Koch, 1871 = Ischnocolus valentinus (Dufour, 1820)
• I. maroccanus (Simon, 1873) = Ischnocolus valentinus (Dufour, 1820)
• I. mogadorensis Simon, 1909 = Ischnocolus valentinus (Dufour, 1820)
• I. numidus Simon, 1909 = Ischnocolus valentinus (Dufour, 1820)
• I. triangulifer Ausserer, 1871 = Ischnocolus valentinus (Dufour, 1820)
• I. tripolitanus Caporiacco, 1937 = Ischnocolus valentinus (Dufour, 1820)

Transferred to other genera

See also

• List of Theraphosidae species

Notes and References

1. Ausserer. A.. 1871. Beiträge zur Kenntniss der Arachniden-Familie der Territelariae Thorell (Mygalidae Autor). Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien. 117–224. 21. Anton Ausserer.
2. Web site: M. Montemor . Vivian . C. West . Rick . Zamani . Alireza . Moradmand . Majid . V. Wirth . Volker . Wendt . Ingo . Huberg . Siegfried . L. Guadanucci . José Paulo . 2020 . Taxonomy of the genus Ischnocolus in the Middle East, with description of a new species from Oman and Iran (Araneae: Theraphosidae) . July 28, 2022 . ResearchGate.
3. Gen. Ischnocolus Ausserer, 1871. World Spider Catalog Version 20.0. 2020-04-22. 2020. Natural History Museum Bern. 10.24436/2.