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Longhorn BeetlesLarge yellow and black beetle
July 20, 2009
I found this beetle inside our screened porch today, July 20, 2009. After photographing it inside, I took it outside to release and take a few more photos. It is about 3/4″ to 1″ long and fairly docile. I looked in the Audubon insect field guide but didn’t find it. Can you help?
Lynne in Vermont
Ludlow, Vermont
Sugar Maple Borer
Hi Lynne,
This is the second Sugar Maple Borer image, Glycobius speciosus, that we have received in a few weeks. The striking markings of this beetle are thought to mimic the coloration of a Yellow Jacket. You can see matching images on BugGuide.
Sugar Maple Borer
Thanks for the prompt reply. My first thought when I saw it on the porch was that it was a yellow jacket but when I looked closer, it was a beetle. Does it harm the sugar maples? We have a sugar bush and I’m wondering if he will do damage. In any event, it was fun to see him.
Your site is excellent and I’ll be back another time.
Thanks again.
Lynne Croswell
Hi Lynne,
According to BugGuide: “Larvae mine under bark of Sugar Maple, Acer saccharum.“
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