Hersilia (spider)

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A female H. yaeyamaensis from Okinawa
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Arachnida
Order: Araneae
Suborder: Araneomorphae
Family: Hersiliidae
Genus: Hersilia
Audouin, 1826

Hersilia savignyi
others, see text

72 species

The Hersilia (or Long-spinnered Bark Spiders) are a genus of tree trunk spiders in the Hersiliidae family. They are sometimes known as Two-tailed spiders, due to their greatly enlarged spinnerets.

Males grow up to 8 mm long, and females up to 10 mm. They can be found on tree trunks in gardens or jungle fringes in Africa, Asia and Australasia.


H savignyi in Ezhimala, Payyannur, Kerala, India, 13 May 12

The revisions by Baehr & Baehr[1] and Rheims & Brescovit[2] revealed 26 species in southeast Asia.[3]


  1. ^ Baehr, M. & Baehr, B. (1993), "The Hersiliidae of the Oriental Region including New Guinea. Taxonomy, phylogeny, zoogeography (Arachnida, Araneae)", Spixiana, Supplement 19: 1–96 
  2. ^ Rheims, C.A. & Brescovit, A.D.; Brescovit, Antonio (2004), "Description of four new species of Hersiliidae (Arachnida, Araneae) from Kinabalu National Park, Sabah, Borneo, Malaysia", Journal of Natural History 38: 2851–2861, doi:10.1080/00222930310001657694 
  3. ^ Baehr, Barbara, Long-Spinnered Bark Spiders, retrieved 2008-12-07 
  • Foord, S.H. (2005): Systematics of the Hersiliidae (Araneae) of the Afrotropical Region. Abstract, links to PDF downloads (5 chapters)
  • Baehr, B. & Baehr, M. (1987): The Australian Hersiliidae (Arachnida : Araneae): Taxonomy, phylogeny, zoogeography. Invertebrate Taxonomy 1(4): 351-437. PDF

External links[edit]