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Ariadna dysderina
Fact Box
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Species: |
Ariadna dysderina (RM) or a closely related species
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Body length: |
female: 12 mm
male: 10 mm
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Habitat: |
This species likes to build a retreat under rocks or logs, this having a distinctive entrance consisting of a dense collar of silk. Radiating
threads support it and warn the spider of nearby insects. The burrow also has a lining of threads that run along its length
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Toxicity: |
The toxicity of this spider's venom is unknown but it may cause mild illness in humans so this species should be handled with caution
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This species mostly is uniformly dark coloured and has three pairs of legs pointing forward and the fourth pair pointing backwards. Only six eyes are present
and there is a slit-like spiracle entrance just behind each book lung.
Known Range: The retreats made by this species are said to be present only in bushland around Sydney but very similar species probably have a much wider range in Eastern Australia.
Spider(s) with a very similar appearance: Many other spider species with 'unspecialised' body shapes.
Email Ron Atkinson for more information.
Last updated 17 January 2022.
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