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Extension > Garden > Diagnose a problem > What insect is this? > Insects found indoors > Beetles, bugs, ants, and other insects without obvious wings - Larger than 1/2 inch long > Pennsylvania wood cockroach adult

Pennsylvania wood cockroach adult
Photo Credit: Ken Gray, Oregon State University

Pennsylvania wood cockroach adult
Size: 1 inch long (adult males); 1/2 - 3/4 inch long (adult females).

Where/When: Associated with wooded areas. Lives primarily outdoors and only occasionally enters homes. Seen primarily during spring and summer.

Significance: Is just a nuisance. Does not infest food, clothes, or other property. Does not persist or reproduce indoors. Is not a known vector of disease.
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