About American Roaches

The American cockroach (Periplaneta americana) is the largest common cockroach found in Boston, measuring 1.5–2 inches long with a reddish-brown body and a yellowish figure-eight pattern on the back of its head. Although they are more commonly associated with warmer climates, Boston’s underground tunnels, steam systems, and older buildings provide ideal environments for these pests.

Risks & Concerns

American cockroaches are fast movers and scavengers, feeding on food scraps, decaying matter, paper, and even soap. They spread bacteria such as Salmonella and E. coli, contaminate food, and trigger allergies in sensitive individuals. Their presence is especially concerning in kitchens, hospitals, and schools, but they are also frequent unwelcome visitors in residential basements and bathrooms.

Prevention & Control

To prevent infestations, eliminate food and water sources, seal gaps around pipes and doors, and keep basements dry. Because of their size and ability to move between sewer systems and indoor spaces, infestations are challenging to control and typically require professional pest management for long-term success.