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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Polyphaga » Series Cucujiformia » Longhorn and Leaf Beetles (Chrysomeloidea) » Leaf Beetles (Chrysomelidae) » Eumolpinae » Eumolpini » Chrysochus » Blue Milkweed Beetle (Chrysochus cobaltinus)
Photo#137138
Cobalt Milkweed Beetle - Chrysochus cobaltinus
Copyright © 2007 Matthew Priebe

Cobalt Milkweed Beetle - Chrysochus cobaltinus
Heyburn State Park, Benewah County, Idaho, USA
August 2, 2007
Size: 1/4 inch long
This shining metalic leaf beetle was very common on dogbane shrubs along a lakeshore in dry Yellow Pine forests.
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Contributed by Matthew Priebe on 16 August, 2007 - 4:45pm
Last updated 10 September, 2007 - 4:41pm

Blue Milkweed Beetle
Your beetle is most likely Chrysochus cobaltinus, blue milkweed beetle. Feeds on milkweeds and dogbane.
… Howell Curtis, 16 August, 2007 - 10:55pm login or register to post comments

 
That must be it, thanks very
That must be it, thanks very much.
… Matthew Priebe, 17 August, 2007 - 3:51pm login or register to post comments

It looks like the Dogbane Lea
It looks like the Dogbane Beetles we have around here (sort of, if it were green). I'm not an expert but that would be a place to start.
… atrox, 16 August, 2007 - 4:49pm login or register to post comments

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