Black Crab Spider - Cymbacha saucia


This page contains pictures and information about Black Crab Spiders that we found in the Brisbane area, Queensland, Australia.
Body length 7mm 
This spider has the typical crab spider look, dark grey to black in colours. It is small in size and not easily be noticed. 
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Nov 2009 in Anstead Forest, when we were inspecting the tangled web of a house spider, we found this Black Crab Spider hiding near the edge of the tangled web (red-circled in the 1st photo above). The Black Crab Spider might want to steal prey from the web or attack the house spider, we could not be so sure. 

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On Apr 2010 in Karawatha Forest we found this small Black Crab Spider. On a gum leaf it tip was folded and attached by silks. We open it a bit and the spider came out.   
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We found an egg-sac inside and understood that the spider was a female.  

1. Cymbacha saucia - The Find-a-spider Guide for the Spiders of Southern Queensland, Dr Ron Atkinson, 2008.
2. Cymbacha saucia  - Robert Whyte, Save Our Waterways Now.   

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Last updated: April 24, 2010.