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Genus Ummidia

Tarantuala like spider. - Ummidia unknown spider - Ummidia - male Trapdoor spider - Ummidia - female Two spiders about 50 mm in length - two within a yard of each other - Ummidia Trap door spider? - Ummidia Trapdoor Spider? - Ummidia Ground Spider? - Ummidia Ground Spider? - Ummidia
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Chelicerata (Chelicerates)
Class Arachnida (Arachnids)
Order Araneae (Spiders)
Infraorder Mygalomorphae (Mygalomorphs)
Family Ctenizidae (Cork-lid trapdoor spiders)
Genus Ummidia
Explanation of Names
Perhaps named for a famous Roman Woman, Ummidia Quadratilla.

Gender: Feminine
Size
Circa 17 mm
Identification
saddle-like depression in outer surface of tibia of third leg is a distinctive feature (see example)
Range
Virginia south to Florida, west to California, also neotropics.
Season
Summer?
Food
Predatory on terrestrial invertebrates
Life Cycle
Dig tunnel in ground and seal with a silk-hinged lid. They hide under this lid and make forays out when prey is sensed, presumably by vibration. Males are often found wandering in late spring, presumably looking for mates.
Remarks
Guide TBA--PC (print refs, esp.)
Print References
Natural History of the Sonoran Desert ref TBA
How to Know the Spiders ref TBA
Brimley ref TBA