German Cockroach Nymph

Scientific Name: Blattella germanica

Order & Family: Blattodea, Ectobiidae

Size: 3mm to 10mm (nymphal stages)

German Cockroach Nymph

Natural Habitat

Warm, humid indoor environments such as kitchens, bathrooms, and utility areas.

Diet & Feeding

Generalist scavengers; they eat almost anything organic including crumbs, grease, soap, and book glue.

Behavior Patterns

Nocturnal, fast-moving, and thigmotactic (prefers tight cracks and crevices); rapid reproductive rate with hemimetabolous development.

Risks & Benefits

Significant indoor pest risk; they can spread pathogens, trigger asthma/allergies via shed skins, and contaminate food stores.

Identified on: 5/30/2026