Pest control company Orkin says several Pennsylvania cities are on a new list of the worst cities in the nation for bed bug problems. Orkin compiled its list based on where the most bed bug treatments were made from December 1st of 2022 to November 30th, 2023. Philadelphia was listed as the third worst city in the country for bed bugs, followed by Pittsburgh in 21st place and Harrisburg in 43rd. Sleep tight, don’t let the bed bugs bite.