black with red edge flat insect

Asked August 28, 2018, 5:48 PM EDT

What is this insect? Is it harmful? Found many on mullein stalk. Control?

Denver County Colorado insect identification stink bugs insect id chlorochroa hemiptera chlorochroa sp

1 Response

Good morning and thank you for using the Ask an Expert service.

Your pictures show a specific variety of stink bug nymphs (the juvenile stage) in the Genus: Chlorochroa. You can find additional examples of these bugs here: https://bugguide.net/node/view/6978

And you can learn more about their biology and management here: https://agrilife.org/urban-ipm/2017/05/12/stink-bugs-have-you-seen-me/

Thanks,