German Cockroach

Scientific Name: Blattella germanica

Order & Family: Order: Blattodea, Family: Ectobiidae

Size: 1.1 to 1.6 cm (0.43 to 0.63 inches) in length

German Cockroach

Natural Habitat

Primarily indoor environments; specifically near heat sources, moisture, and food in areas like kitchens, bathrooms, and laundry rooms.

Diet & Feeding

Omnivorous scavenger that eats almost anything, including food scraps, grease, starch, glue, and organic matter.

Behavior Patterns

Nocturnal and highly gregarious. They are fast runners that stay in dark cracks and crevices during the day. Known for rapid reproduction, with females carrying egg cases (ootheca) until they are ready to hatch.

Risks & Benefits

Significant indoor pest and health risk. They can spread pathogens like Salmonella and E. coli, and their droppings or shed skins are major triggers for asthma and allergies. They offer no beneficial ecosystem services in human dwellings.

Identified on: 3/19/2026