The bugs are brought in on items that are infested, like clothing or furniture. Eggs and bugs enter the homes that have hitched a ride on pets or luggage. They are carried by wild animals like birds or bats entering the home.
Dwellings that are nearby that have routes available through false ceilings or duct work. Visitors from an infestation source; these bugs are like roaches and are transferred from place to place on luggage, clothing or an individual’s body.