German Cockroach

Scientific Name: Blattella germanica

Order & Family: Order: Blattodea; Family: Ectobiidae

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

German Cockroach

Natural Habitat

Indoor environments, particularly kitchens and bathrooms where there is heat, moisture, and food availability.

Diet & Feeding

Omnivorous scavenger; eats food scraps, grease, starches, and even non-food items like glue or soap.

Behavior Patterns

Nocturnal and highly reproductive; they prefer dark crevices and can spread rapidly through buildings via plumbing and shared walls.

Risks & Benefits

Significant risk as a household pest; they spread bacteria like E. coli and Salmonella, and their presence can trigger asthma and allergies in humans.

Identified on: 2/19/2026