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Wafer Lid Trapdoor Spider

Posted by April 20th, 2010 at 8:43 am

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Tarantulas and Trapdoor Spiders

Friend or foe?
April 19, 2010
I found this spider in my friends pool. The match book should provide a good estimate as to its size.
Aaron Grimes
Marin County, California

wafer lid trapdoor spider aaron 300x206 Wafer Lid Trapdoor Spider

Wafer Lid Trapdoor Spider

Hi Aaron,
This looks to us like a Trapdoor Spider, probably a Wafer Lid Trapdoor Spider in the genus Promyrmekiaphila which BugGuide reports from California.  It looks like a male, and male Trapdoor Spiders often drown in swimming pools while searching for a mate.  Trapdoor Spiders are harmless to humans and pets.

trapdoor aaron 300x190 Wafer Lid Trapdoor Spider

Cork Lid Trapdoor Spider

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