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Cabeza Prieta Natural History Association
Sonoran Desert Spiders
Ummidia spp. (Trapdoor spider)

 

 

(Trapdoor spider)
Habitat: Several species in Southern U.S.
Food Habits: insectivorous
Active Period: diurnal
Size: small
Number of Legs: 8
Leg Characteristics: legs attached to cephalothorax
"builds a web-lined tunnel with a trapdoor,resemble small tarantulas"
harmless

Phylum Arthropoda
Subphylum Chelicerata
Class Arachnida
Order Araneae
Family Ctenizidae
Genus Ummidia
species spp.

 

 

 

 

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Natural History of the Sonoran Desert and Refuge

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