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Cottonwood Borer Pupa

Posted by February 13th, 2006 at 1:00 am

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Beetles

This creature was found in Wichita, Kansas. I found this "grub" inside of a cotton wood tree I cut down to make room for my kids playset. I could find any entry point for their tunnels inside the tree. There were others just like it but they didn’t have the eyes, legs, antenna, or wings. They are approximately 1 inch in length. Any ideas?
Thank You
A.J.

cerambycid pupa Cottonwood Borer Pupa

Hi A.J.
This is a the pupa of a Cottonwood Borer, Plectrodera scalator, a magnificent black and white beetle. The grubs bore in the wood, feeding for several years, then pupate and emerge as adults, usually from July to September.

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