What's That Bug? does not endorse extermination

Beetles decimating my rose bushes
Location: Honolulu, Hawaii
July 10, 2011 3:07 pm
In about the time frame of the last week, my rose bushes have gone from healthy looking bushes to nearly bare stalks (with the exception of the thorns and a few blooms). The leaves that are left are being steadily eaten, but until today I hadn’t caught any culprits. I am guessing the beetles that I found this morning when I went out to prune are the ones doing the dirty work. I’m assuming they come out at night because normally by morning they are gone, and the ones that I do have photos of I do believe are quite dead. Not sure if they’re dead, or if they just are extremely laid back beetles, because they stayed on the leaves as I was pruning them from my bushes. The beetles are about a 1/2 inch long at the most, and are a lighter brown in coloration. I live in Honolulu, HI.
Signature: Tina

Chinese Rose Beetles

Hi Tina,
You have an infestation of the invasive exotic Chinese Rose Beetle,
Adoretus sinicus, which we found on the Insects of Hawaii website as well as the Guam Insects website.

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What's That Bug? does not endorse extermination
Location: Hawaii

One Response to Chinese Rose Beetles in Hawaii

  1. Benedict says:

    they are in plague proportions this year in Maui. In 7 years I have never seen them this bad. Each night I’m collecting on average around 200 of them, they are eating almost everything; roses, beans, hibiscus, edible hibiscus, lillikoi, wild raspberries get attacked the most.

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