Tropane-alkaloid-tolerance
Guides
Lema trivittata
three-lined lema beetle, three-lined potato beetle
A leaf beetle in the family Chrysomelidae, recognized by its bright orange thorax, yellow legs, and three black longitudinal stripes on yellow elytra. Adults and larvae feed on plants in the nightshade family (Solanaceae), including potato, jimsonweed, and bittersweet nightshade. The species has evolved physiological tolerance to tropane alkaloids, toxic compounds produced by its host plants. Native to Central and North America, with introduced populations in Australia.