| any of several small red, black-spotted elongated beetles of the genus Tetraopes, common in eastern North America, that inhabit the milkweed. |

milkweed beetle
(species Chrysochus cobaltinus), member of the insect subfamily Eumolpinae of the leaf beetle family Chrysomelidae (order Coleoptera). The milkweed beetle is a beautiful dark cobalt blue in colour
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