California Department of Fish and Wildlife
Aquatic Biological Assement

California Digital Reference Collection Home | Family Level | Level 1 Taxonomy | Level 2 Taxonomy

Jump to:

Ephemeroptera Odonata Plecoptera Hemiptera Megaloptera Neuroptera Trichoptera Lepidoptera Coleoptera Diptera Non-Insects

Thiaridae

 

Key Characters Introduced species found in disturbed habitats with high, sculptured, light-colored shells. Adults usually larger than 12mm, operculum corneous and paucispiral. As a parthenogenic species, males are extremely rare.
Tolerance unknown
Distribution CA, UT, NV, AZ