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For Insects, Spiders & Their Kin
For the United States & Canada
Chrysolina on Hypericum - Chrysolina

Chrysolina on Hypericum - Chrysolina
Pack Forest, near Eatonville, Pierce County, Washington, USA
July 11, 2009
Size: 5 mm
On host plant, St. Johnswort, Hypericum species. Lynette opined that the beetles are a species introduced for biological control of the Hypericum.

Search for insect photos from the 2009 BugGuide Gathering (gathering_2009).

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Chrysolina Chrysolina on Hypericum - Chrysolina

Lynette is right...
...these beetles were imported as a biocontrol for the introduced Common St. John's Wort (Hypericum perforatum), a.k.a. "Klamath weed".

Moved from Chrysolina.