This is a picture of Trypoxylon politum at the Mckeldin Area of Patapsco Valley State Park in Carroll County, Maryland.
Ninho de alguma vespa, provavelmente.
Occurrence of the living organism registered in the Zoobotanical Park of the Federal University of Acre - Ufac: an ecological corridor with about 144 hectares, constituting the largest green area within the urban perimeter.