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Welcome to the Colorado State University Extension Western Colorado Entomology web site. This site was created and is maintained by Tri River Area Extension Entomology & Agronomy, and is dedicated to presenting factual information on the insects and insect related issues affecting western Colorado.

Photo Gallery, Diptera-Flies   arrow

Diptera-Flies

Asailidae

Efferia sp.

Female Robber fly
Robber flies are predators on flying insects. This fly was photographed by Bob Hammon near Gateway (Mesa County) on Sep 1, 2005.Femaile Robberfly. Photo by Bob Hammon.
Tachinidae

Paradejeania rutiloides

Spiny tachinid
Tachind fly larvae parasitise other insects. This species parasitises caterpillars. Adult flies feed on nectar. This one was photographed by Bob Hammon in September 2005 in Rio Blanco County. The fly is feeding on tailleaf pericome, Pericome caudata.Spiny tachinid fly. Photo by Bob Hammon.