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Western Corn Rootworm

Diabrotica virgifera


Prairie Restoration Area

1 Species ID Suggestions

Aaron_G 10 years ago
Western corn rootworm
Diabrotica virgifera Species Diabrotica virgifera - Western Corn Rootworm - BugGuide.Net

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beaker98 10 years ago

Good eye Aaron! Thanks for the correction. These were with spotted cucumber beetles, so I guess I jumped the gun on the ID. Will make necessary corrections.

Aaron_G 10 years ago

Hi, Bill. I stumbled upon this spotting after posting a striped cucumber beetle today. After looking at your beetle - and after looking at a lot of info about the 2 species - I think yours is the introduced western corn rootworm and not the striped cucumber beetle. Take a look at the BugGuide pages and see what you think. They are quite similar but have some distinct differences. I looked mostly at the markings on the elytra and the legs, and also noticed that the abdomen extends past the eleytra in Diabrotica virgifera and not in Acalymma vittatum.

Spotted by

Illinois, USA

Spotted on Jul 29, 2013
Submitted on Jul 30, 2013

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