German Cockroach Nymph

Scientific Name: Blattella germanica

Order & Family: Blattodea, Ectobiidae

Size: 1.5 mm to 15 mm (nymph to adult stage)

German Cockroach Nymph

Natural Habitat

Primarily indoor environments, especially in kitchens and bathrooms near heat, moisture, and food sources.

Diet & Feeding

Omnivorous scavenger; feeds on human food, crumbs, grease, glue, toothpaste, and even other cockroaches.

Behavior Patterns

Nocturnal and highly reproductive; nymphs go through multiple molts and tend to aggregate in tight crevices.

Risks & Benefits

Significant urban pest; can spread pathogens (Salmonella, E. coli), trigger allergies or asthma, and contaminate food. No ecological benefits in a home setting.

Identified on: 4/20/2026