Cedar Rapids/ICNC, Linn County, Iowa, USA December 18, 2009 Size: 9-10mm
On a white oak, terminal end of twigs, all over tree, I assume the hole means whatever was inside emerged.
Contributed by Joe Zito on 20 December, 2009 - 7:44pm Last updated 18 November, 2015 - 9:54am
Disclaimer: Dedicated naturalists volunteer their time and resources here to provide this service. We strive to provide accurate information, but we are mostly just amateurs attempting to make sense of a diverse natural world. If you need expert professional advice, contact your local extension office.