Chrysolina hyperici “St. Johnswort Beetle” Chrysomelidae

Joint Base Lewis-McChord, WA
May 2013
Robert Niese

In the late 1940s these beetles were introduced to California to control the spread of the weed St. Johnswort (Hypericum perforatum). The introduction of the beetles was so successful that the state erected a monument commemorating their success in Eureka, CA.

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