Lake Huron Locust (Trimerotropis huroniana), a State Endangered species, is silvery gray to pale brown, yellow ochre, or brick red with mottling, males more heavily than females. The long forewings usually have faint cross-bands, the hind wings are pale yellow with a smoky band. Males measure 19-21mm and females 26-28mm. This species inhabits exposed, high-quality open dunes as well as upper beach areas with very sparse grasses, forbs, and beach shrubs on the northern shores of the Great Lakes.
