Cities With Worst Bedbug Infestations Ohio has three in the top 10 By Nick McMaster, Newser Staff Posted Aug 24, 2010 4:26 PM CDT 8 comments Comments Don't let these guys bite. (AP Photo/Virginia Tech Department of Entomology, Tim McCoy, File) (Newser) – The bedbug problem continues to spread across the US, with 95% of pest companies reporting encounters. But which cities are the hardest hit? The Daily Beast consulted exterminator Orkin for information—and found that it's not a good time to be in Ohio. The biggest infestations are in: Cincinnati Columbus Chicago Denver Detroit Click the Daily Beast link for the story and full list, which has New York at No. 7 and one more Ohio entrant.