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Hersiliidae of Thailand.jpg

Hersiliidae Thorell, 1870 - Tree Trunk Spiders


Home > Arachnids​ > Araneae > Hersiliidae

Kingdom: Animalia
Class: Arachnida
Order: Araneae
​Family: Hersiliidae


Tree trunk spiders (Hersiliidae) is a tropical and semi-tropical family first described by Tamerlan Thorell in 1870. They have two prominent spinnerets that are almost as long as their abdomen, earning them the nickname "two-tailed spiders". They range in size from 10 to 18 millimetres (0.39 to 0.71 in) long. Rather than using a web that captures prey directly, they lay a light coating of threads over an area of tree bark and wait for an insect to stray onto the patch. When this happens, they encircle their spinnerets around their prey while casting silk on it. When the insect is immobilized, they can bite it through the shroud. Wikipedia

Subfamily: ​

Two-tailed spider.jpg
Hersilia 001
Long-spinnered Bark Spider Thailand.jpg
Hersilia 002
Two-tailed Spider from Thailand.jpg
Hersilia 003
Two-tailed spider Thailand.jpg
Two-tailed spider - Hersilia sp.
  Hersilia Sp. Khao Soi Dao N.P. Chanthaburi
Hersilia clypealis (Baehr & Baehr, 1993) Khao Soi Dao N.P. Chanthaburi
 Hersilia Sp. Khao Soi Dao N.P. Chanthaburi.jpg
Hersilia clypealis (Baehr & Baehr, 1993) Khao Soi Dao N.P. Chanthaburi
Please note that individual species identifications do not necessarily represent the opinion of all contributors.

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