Department of Fish and Game DFG offices closed most Fridays
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

Nematomorpha

 

 

Key Characters Thousands of species, 12 freshwater species in U.S. 10 -7- cm in length. Body same diameter throughout its length. Threadlike, only slightly tapered on both ends.
Tolerance 10
Distribution CA, OR, WA, NV, AZ, Baja