
Community identification
German cockroach nymph
Blattella germanica
- Order & Family
- Blattodea; Blattellidae
- Size
- Nymphs are about 3–12 mm long; adults reach roughly 13–16 mm.
Natural Habitat
Warm, humid indoor areas such as kitchens, bathrooms, wall voids, and appliance interiors.
Diet & Feeding
Omnivorous scavengers consuming food scraps, grease, starches, pet food, and occasionally paper or glue.
Behavior Patterns
Mostly nocturnal, fast-running, and concealed by day. Nymphs develop through several molts and can reproduce rapidly in heated buildings.
Risks & Benefits
Can contaminate food and surfaces and spread allergens linked to asthma and dermatitis. They provide little meaningful household benefit, though they serve as prey for other animals.