pest photo

Flickr - Dan Gustafson
New zealand mud snail
Potamopyrgus antipodarum

New zealand mud snail (Potamopyrgus antipodarum) is a mollusk pest. It is a native of New Zealand and was first detected in California in 2001.

This is an invasive species of fresh water in many countries, where populations of this snail can reach phenomenal densities.
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