Worker. San Juan Loop Trail, Lake Elsinore (one mile into Riverside Co.). CA. 2/24/07.

Odorous House Ant

Tapinoma sessile

Hymenoptera: Formicidae

One of the most widespread North American ant species.

© Peter J. Bryant

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San Juan Loop Trail, Lake Elsinore (one mile into Riverside Co.). CA. 2/24/07.


Workers and Queens. Upper San Juan Creek, Riverside County, CA. 10/27/07.


Workers and Queens. Upper San Juan Creek, Riverside County, CA. 10/27/07
Workers and Queen. Upper San Juan Creek, Riverside County, CA. 10/27/07

Workers and Queen. Upper San Juan Creek, Riverside County, CA. 10/27/07
Worker (possibly carrying phoretic or parasitic mites on abdomen). Upper San Juan Creek, Riverside County, CA. 10/27/07