Skip to main content
U.S. flag

An official website of the United States government

An immature stonefly from the Green River

Detailed Description

A type of aquatic insect called a stonefly (family Perlidae), in its larval stage, from the Green River just downstream of Fontenelle Dam, near Kemmerer, Wyoming (May 10, 2015).

Sources/Usage

Public Domain.

Was this page helpful?