German Cockroach (Nymph)

Scientific Name: Blattella germanica

Order & Family: Blattodea: Ectobiidae

Size: 3 to 15 mm as nymphs; adults grow to approximately 13 to 16 mm.

German Cockroach (Nymph)

Natural Habitat

Highly adaptable, but primarily found indoors in warm, humid areas near food and water sources like kitchens and bathrooms.

Diet & Feeding

Omnivorous scavenger; eats almost anything including crumbs, grease, glue, soap, and leather.

Behavior Patterns

Nocturnal and highly reproductive; nymphs undergo several molts before reaching maturity and typically stay close to harborages.

Risks & Benefits

Significant indoor pest. Risks include the spread of bacteria, pathogens, and allergens that can trigger asthma. They offer no benefits to home ecosystems.

Identified on: 3/4/2026