German Cockroach

Scientific Name: Blattella germanica

Order & Family: Order: Blattodea; Family: Ectobiidae

Size: 1.1 to 1.6 cm (approximately 1/2 to 5/8 inch)

German Cockroach

Natural Habitat

Commonly found in human dwellings, particularly in kitchens, bathrooms, and other areas with access to food and moisture.

Diet & Feeding

Omnivorous scavenger; eats starch, sweets, grease, meat products, and in some cases, soap or book bindings.

Behavior Patterns

Primarily nocturnal, prefers warm and humid environments, often hides in dark cracks and crevices. Known for rapid reproduction and high mobility.

Risks & Benefits

Significant household pest. Risks include the spread of bacteria (e.g., E. coli, Salmonella), triggering of allergies and asthma, and contamination of food supplies. No significant ecosystem benefits within human habitats.

Identified on: 6/13/2026