German Cockroach

Natural Habitat

Indoor environments, particularly kitchens and bathrooms where there is access to moisture and heat.

Diet & Feeding

Omnivorous scavenger; they consume human food, crumbs, grease, soap, and book bindings.

Behavior Patterns

Nocturnal and highly gregarious, often found in clusters; they undergo hemimetabolous metamorphosis and reproduce faster than any other residential cockroach.

Risks & Benefits

Major residential pest that can spread pathogens (Salmonella, E. coli), trigger allergies, and worsen asthma; it has no significant benefits to the urban ecosystem.

Identified on: 1/30/2026