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Hersiliid from India
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Arachnida
Order: Araneae
Suborder: Araneomorphae
Superfamily: Eresoidea
Family: Hersiliidae
Thorell, 1870

see text

11 genera, 145 species

The tree trunk spiders are members of the tropical and semi-tropical Family Hersiliidae. There are about 150 species in this family. These spiders have two very prominent spinnerets that are almost as long as their entire abdomens. So they are also sometimes known as "two-tailed spiders." They range in size from about 10 mm (0.4 inch) to 18 mm (0.7 inch)long. Being very well camouflaged for life on the varicolored trunks of trees, they have an interesting way of capturing prey. Rather than making a web that captures prey directly, they lay a light coating of threads over an area of tree bark and wait hidden in plain sight for an insect to stray onto that patch. Once that occurs, they direct their spinnerets toward their prey and circle it all the while casting silk on it. When the hapless insect has been thoroughly immobilized they can bite it through its new shroud.


  • Hersilia Audouin, 1826 (Africa, Australasia)
  • Hersiliola Thorell, 1870 (Mediterranean to Central Asia, Nigeria)
  • Iviraiva Rheims & Brescovit, 2004 (South America)
  • Murricia Simon, 1882 (South Asia)
  • Neotama Baehr & Baehr, 1993 (America, South Africa, India)
  • Promurricia Baehr & Baehr, 1993 (Sri Lanka)
  • Tama Simon, 1882 (Spain, Portugal, Algeria)
  • Tamopsis Baehr & Baehr, 1987 (Australia, Borneo)
  • Tyrotama Foord & Dippenaar-Schoeman, 2005 (Africa)
  • Yabisi Rheims & Brescovit, 2004 (USA, Caribic)
  • Ypypuera Rheims & Brescovit, 2004 (South America)

See also

External links

For a picture, see [1] or [2]



Up to date as of January 23, 2010

From Wikispecies


Main Page
Cladus: Eukaryota
Supergroup: Unikonta
Cladus: Opisthokonta
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Ecdysozoa
Phylum: Arthropoda
Subphylum: Chelicerata
Classis: Arachnida
Ordo: Araneae
Subordo: Opisthothelae
Infraordo: Araneomorphae
Taxon: Neocribellatae
Series: Entelegynae
Superfamilia: Eresoidea
Familia: Hersiliidae
Genera: Deltshevia - Duninia - Hersilia - Hersiliola - Iviraiva - Murricia - Neotama - Ovtsharenkoia - Promurricia - Tama - Tamopsis - Tyrotama - Yabisi - Ypypuera


Hersiliidae Thorell, 1870


  • Marusik, Y.M.; Fet, V. 2009: A survey of East Palaearctic Hersiliola Thorell, 1870 (Araneae, Hersiliidae), with a description of three new genera. In: Stoev, P.; Dunlop, J.; Lazarov, S. (eds) A life caught in a spider's web. Papers in arachnology in honour of Christo Deltshev. ZooKeys, 16: 75-114. Abstract PDF

Vernacular names


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