About Anastrangalia laetifica (LeConte, 1859)
Anastrangalia laetifica, commonly known as the dimorphic flower longhorn, is a species of beetle belonging to the family Cerambycidae. This species can be found in Canada, the United States, and Mexico. Males of the species have entirely black elytra, while females have red elytra marked with four black dots. Individuals of Anastrangalia laetifica feed on Frasera albicaulis.