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First Aid Courses – Trap Door Spiders

Trap Door Spiders

Danger Level: Medium

Only causes minor symptoms such as localized pain, but sometimes nauseas, lethargy and malaise. Trap Door Spider bites are similar to a funnel-web spider bite and is therefore treated with the same precaution.

Distribution: Throughout Australia in natural and urban environments.


1.5 to 3 cm long Females are significant larger than males Males are more aggressive when threatened than females. Live in tunnels, often with circular shaped doors Lifespan between 5-20 years

Behavior: Aggressive when threatened.

Bites and First Aid

Brown Trapdoor Spiders are often mistaken for Funnel-web spiders but their bites are not dangerous. Local pain and swelling may occur. Sigillate Trapdoor Spider bites may also cause local pain and swelling. There is one report of unspecified 'severe effects' from a Sigillate Trapdoor Spider bite.

Seek medical attention if symptoms persist. Collect spider for a positive identification.

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