German Cockroach
Scientific Name: Blattella germanica
Order & Family: Blattodea: Ectobiidae
Size: 1.1 to 1.6 cm (0.43 to 0.63 inches)

Natural Habitat
Warm, humid indoor environments such as kitchens, bathrooms, and laundry areas where food and water are accessible.
Diet & Feeding
Omnivorous scavenger; eats almost anything including crumbs, grease, glue, soap, and decaying organic matter.
Behavior Patterns
Nocturnal and highly reproductive. They prefer cracks and crevices near moisture. Females carry an ootheca (egg case) until just before hatching, which improves survival rates.
Risks & Benefits
Significant household pest. Risks include spreading pathogens (Salmonella, E. coli), contaminating food, and triggered asthma or allergies via their droppings and shed skins. No significant ecosystem benefits in human habitats.
Identified on: 4/21/2026