Which cockroach species is known to be the largest commonly found in Kentucky?

The American cockroach is recognized as the largest commonly found species in Kentucky. This cockroach can grow to a substantial size, often exceeding three inches in length. Its distinctive features include a reddish-brown color, a yellow margin on the thorax, and the ability to fly, which is less pronounced in smaller species. The American cockroach is often found in warmer areas, such as basements, sewers, and commercial establishments, where it can thrive, making it a common pest in both urban and suburban environments. This size differential compared to other cockroach species emphasizes its prominence in pest management discussions in the state.