German cockroach (nymph)

Scientific Name: Blattella germanica

Order & Family: Order: Blattodea, Family: Ectobiidae

Size: Nymphs are 3mm to 10mm; adults reach 13-16mm

German cockroach (nymph)

Natural Habitat

Primarily indoor human environments, especially kitchens and bathrooms near heat and moisture

Diet & Feeding

Omnivorous scavenger; eats food scraps, grease, starch, glue, and organic matter

Behavior Patterns

Nocturnal, fast-running, and highly reproductive; nymphs undergo several molts and typically exhibit the prominent dark parallel stripes seen in the image

Risks & Benefits

Significant domestic pest that can spread bacteria (like E. coli and Salmonella), trigger asthma or allergies, and contaminate food surfaces

Identified on: 1/10/2026