Stenelmis gammoni
Stenelmis gammoni is a species of beetle in the riffle beetle family, Elmidae. It is known by the common name Gammon's riffle beetle.[1] The beetle is native to the United States. It was first described from the New River in North Carolina in 1976.[2] Its total distribution is still unclear, but it has been found in Virginia and Alabama as well.[1] The specimens used in the original species description were dark brown to black beetles with elongated, convex bodies measuring between 2 and 3 millimetres (0.079 and 0.118 in) long. Each elytron has two spots.[2] References
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