Itch Mites Invade Hamilton County "HIGHLAND HEIGHTS, KY." (WNKU) - The Hamilton County Public Health Department is investigating what's been bugging residents. Officials say itch mites are the likley culprit behind a rash of reports of unidentified bites. W-N-K-U's Matt Kelley talked to spokesman Chris Eddy about whether people should be concerned about the bites. © Copyright 2009, WNKU