American Cockroach Nymph
Scientific Name: Periplaneta americana
Order & Family: Order: Blattodea, Family: Blattidae
Size: Nymphs start very small and grow up to 1.5 - 2 inches as adults.

Natural Habitat
Damp, dark, and warm areas such as basements, crawl spaces, sewers, and steam tunnels. Occupies both indoor and outdoor environments.
Diet & Feeding
Opportunistic omnivore and scavenger; eats decaying organic matter, food scraps, paper, and book bindings.
Behavior Patterns
Nocturnal, fast-moving, and highly social with other roaches. They undergo incomplete metamorphosis, shedding their exoskeleton multiple times as they grow.
Risks & Benefits
Risks include contamination of food surfaces and spreading odors and pathogens. They can trigger allergies and asthma in sensitive individuals. Ecosystem benefit includes acting as a scavenger that helps break down organic waste.
Identified on: 1/2/2026