yellow/black striped beetle eating chinese lanterns

I have a “field” of Chinese lanterns that did well for three years, then a beetle started eating the leaves gone and also started eating the lanterns. Could it be a cucumber beetle or potato beetle? In reading, I see that I could need to spray like in the spring for the larvae and even during the summer and into the fall. I understand later evening is the best to help protect the bees.

What product should I look for, as I would like to start now before the plants really start coming up? I’m in Minnesota.

Thanks

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1 Comment To "yellow/black striped beetle eating chinese lanterns"

#1 Comment By Downtoearthdigs On 04/28/2016 @ 1:59 pm

Was this your culprit, the false potato beetle (Leptinotarsa juncta)?
https://en.wikipedia.org/wiki/False_potato_beetle#/media/File:Leptinotarsa_juncta_UGA5423805.jpg ^[1]

A natural bacteria, Bacillus thuringiensis, is useful as a non-toxic control or use a chemical spray with pyrethroid or spinosad.
https://www.gardeningknowhow.com/plant-problems/pests/pesticides/using-bacillus-thuringiensis.htm ^[2]

If your pest is not the false potato beetle then please send a photo of the beetle for my analysis.

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URL to article: https://questions.gardeningknowhow.com/yellowblack-striped-beetle-eating-chinese-lanterns/

URLs in this post:

[1] https://en.wikipedia.org/wiki/False_potato_beetle#/media/File:Leptinotarsa_juncta_UGA5423805.jpg: https://en.wikipedia.org/wiki/False_potato_beetle#/media/File:Leptinotarsa_juncta_UGA5423805.jpg

[2] https://www.gardeningknowhow.com/plant-problems/pests/pesticides/using-bacillus-thuringiensis.htm: https://www.gardeningknowhow.com/plant-problems/pests/pesticides/using-bacillus-thuringiensis.htm

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