The Find-a-Spider Guide

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Tamopsis brisbanensis

Fact Box
Species:
Tamopsis brisbanensiss (QM)
(or a related species: see below)
Family:
Hersiliidae
Body length:
female: 7 mm
male: 4 mm
Habitat:
Hersiliids normally live on dry bark that matches their colour well, so they are difficult to see until they move. A good indicator that they are there is the presence of their egg sacs, which are small round white spheres suspended rigidly on a silken stalk 10-15 mm long
Toxicity:
May be too small and timid to cause harm to any human
Tamopsis brisbanensis
Click to enlarge
Another female
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The male
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Its egg sac
Click to enlarge
Another species?

The identity of the spider presented above is somewhat uncertain because there apparently are at least ten described Tamopsis species in the area of South-east Queensland where the specimens in the above photos were found and they all have a similar appearance, an examination of their genitalia being necessary if they are to be identified to species. The name Tamopsis brisbanensis has been used on this page because it is known to be a common Tamopsis species in South Queensland and Northern NSW.

The most significant physical features of this spider are the very long spinnerets. The slender legs and camouflage colours are also important for identification purposes. Males are often found on the trunks of living trees in Spring. The small round egg sacs are easy to find in Autumn in districts where this species is common.

Spider(s) with a very similar appearance: Tamopsis fickerti.


Email Ron Atkinson for more information.    Last updated 6 May 2017.