[4] Males are dark brown; the sides of the thorax and the front half of the wings are margined with yellow.

[citation needed] The species occurs in open, timbered areas with little ground cover.

[6] According to entomologist Fred A. Lawson, it is "often seen on tree trunks and lower branches of oaks and elms after dark.

"[6] Nymphs and adults are also found outdoors beneath loose bark in woodpiles, stumps, and hollow trees.

Male wood cockroaches frequently travel in large numbers and fly considerable distances.

[opinion] The Pennsylvania wood cockroach has three developmental stages: egg, nymph, and adult.

The distribution of the species includes southeastern Canada, in the provinces of Ontario and Quebec, and the eastern and central United States, in Alabama, the District of Columbia, probably Florida, Delaware, Georgia, Virginia, Illinois, Indiana, Iowa, Kansas, Louisiana, Massachusetts, Maine, Maryland, Michigan, Minnesota, Mississippi, Missouri, Nebraska, New Jersey, New York, North Carolina, Ohio, Oklahoma, Pennsylvania, South Dakota, Tennessee, Texas, and Wisconsin.