Submitter does not have a specimen
Huge bald faced hornet nest directly off the trail leading to the swinging bridge at the Illinois River.
Bald-faced Hornet information on iNaturalist
At the Boy Scout camp/swinging bridge at the Illinois River there seems to be a bald faced hornet issue. There is a massive nest near the trail leading to the swinging bridge & they're very aggressive.
Jacob Rose Institute for Natural Resources
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