German Cockroach (Nymph)
Scientific Name: Blattella germanica
Order & Family: Order Blattodea, Family Ectobiidae
Size: 3 mm to 15 mm as nymphs; adults reach 13-16 mm
Natural Habitat
Indoor environments, specifically warm, humid areas with proximity to food and water such as kitchens and bathrooms.
Diet & Feeding
Omnivorous scavenger; eats crumbs, grease, soap, glue, and fermenting food.
Behavior Patterns
Nocturnal and highly gregarious. They undergo incomplete metamorphosis and can reproduce rapidly, with a single female producing hundreds of offspring.
Risks & Benefits
Significant indoor pest. They can spread pathogens, contaminate food, and produce allergens that trigger asthma or allergic reactions in humans.
Identified on: 2/19/2026