Stylocellidae

The Stylocellidae are a family of harvestmen with about 40 described species, all of which occur in Southern or Southeastern Asia.[1] Members of this family are from one to seven millimeters long. While Stylocellus species have eyes, these are absent in the other two genera.[2]

Stylocellidae
Temporal range:
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Opiliones
Suborder: Cyphophthalmi
Infraorder: Boreophthalmi
Family: Stylocellidae
Hansen & Sørensen, 1904
Genera

See text

Diversity
6 genera, c. 40 species

Name

The name of the type genus is combined from Ancient Greek stylos "pillar" and Latin ocellus "eye", referring to the elongated shape of the animal, compared to Sironidae, and the presence of eyes.[2]

Species

For complete breakdown, see the following (as of 2023):[1]

For a broader recent listing of species see:

Main article: List of Cyphophthalmi species

Fangensinae
  • Fangensis Rambla, 1994
  • Fangensis cavernarus Schwendinger & Giribet, 2005 – Thailand
  • Fangensis leclerci Rambla, 1994 – Thailand
  • Fangensis spelaeus Schwendinger & Giribet, 2005 – Thailand
  • Giribetia Clouse, 2012
  • Giribetia insulanus (Schwendinger & Giribet, 2005) – Thailand

Leptopsalidinae
  • Leptopsalis beccarii Thorell, 1882 – Indonesia (Sumatra)
  • †Leptopsalis breyeri Bartel, Dunlop & Giribet, 2023 – Myanmar
  • Leptopsalis dumoga (Shear, 1993) – Indonesia (Sulawesi)
  • Leptopsalis foveolata Clouse & Schwendinger, 2012 – Thailand
  • Leptopsalis hillyardi (Shear, 1993) – Indonesia (Sulawesi)
  • Leptopsalis javana (Thorell, 1882) – Indonesia (Java)
  • Leptopsalis laevichelis (Roewer, 1942) – Malaysia
  • Leptopsalis lydekkeri (Clouse & Giribet, 2007) – West Papua
  • Leptopsalis modesta (Hansen & Sørensen, 1904) – Indonesia (Sulawesi)
  • Leptopsalis novaguinea (Clouse & Giribet, 2007) – West Papua
  • Leptopsalis pangrango (Shear, 1993) – Indonesia (Java)
  • Leptopsalis ramblae (Giribet, 2002) – Singapore
  • Leptopsalis sedgwicki (Shear, 1979) – Malaysia (Pulau Pinang)
  • Leptopsalis sulcata (Hansen & Sørensen, 1904) – Indonesia (Java)
  • Leptopsalis tambusisi (Shear, 1993) – Indonesia (Sulawesi)
  • Leptopsalis thorellii (Hansen & Sørensen, 1904) – Indonesia (Sumatra)
  • Leptopsalis weberii (Hansen & Sørensen, 1904) – Indonesia (Sumatra)
  • Miopsalis Thorell, 1890
  • Miopsalis collinsi (Shear, 1993) – Malaysia (Sarawak)
  • Miopsalis dillyi Schmidt, Clouse & Sharma, 2020 – Philippines
  • Miopsalis globosa (Schwendinger & Giribet, 2004) – Malaysia (Perak)
  • Miopsalis gryllospeca (Shear, 1993) – Malaysia (Sarawak)
  • Miopsalis kinabalu (Shear, 1993) – Malaysia (Sabah)
  • Miopsalis leakeyi (Shear, 1993) – Malaysia (Sabah)
  • Miopsalis lionota (Pocock, 1897) – Malaysia (Sabah)
  • Miopsalis mulu (Shear, 1993) – Malaysia (Sarawak)
  • Miopsalis pocockii (Hansen & Sørensen, 1904) – Malaysia (Sabah)
  • Miopsalis pulicaria Thorell, 1890 – Malaysia (Penang)
  • Miopsalis sabah (Shear, 1993) – Malaysia (Sabah)
  • Miopsalis silhavyi (Rambla, 1991) – Malaysia (Sarawak)
  • Miopsalis tarumpitao (Shear, 1993) – Philippines

Stylocellinae
  • Meghalaya Giribet, Sharma, & Bastawade, 2007
  • Stylocellus lornei Clouse, 2012 – Thailand
  • Stylocellus spinifrons Roewer, 1942 – Malaysia (Sarawak) (nomen dubium) [unidentifiable juvenile]
  • Stylocellus sumatranus Westwood, 1874 – Indonesia (Sumatra)

Footnotes
  1. "Stylocellidae". Kury, A. et al. (2023). WCO-Lite: World Catalogue of Opiliones. Retrieved 15 January 2024.
  2. Giribet, Gonzalo (2007): Stylocellidae. Hansen & Sørensen, 1904. In: Pinto-da-Rocha et al. 2007: 104ff

Further reading
  • Pinto-da-Rocha, R., Machado, G. & Giribet, G. (eds.) (2007). Harvestmen – The Biology of Opiliones. Harvard University Press, USA. ISBN 0-674-02343-9
  • Schwendinger, P.J. & Giribet, G. (2005): The systematics of the south-east Asian genus Fangensis Rambla, 1994 (Opiliones, Cyphophthalmi: Stylocellidae). Invertebrate Systematics 19: 297–323.


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