Sumitrosis ancoroides
Sumitrosis ancoroides is a species of leaf beetle in the family Chrysomelidae. It is found in North America, where it has been recorded from Canada and the United States.
Description
Adults reach a length of about 2.9-3.7 mm. The antennae are black. The lateral margins of the pronotum have a black vitta and a black somewhatV-shaped marking. The suture of the elytra is partly bluish black and there is a small anchor-shaped spot, as well as three small black spots.