
Community identification
Cockroach nymph (likely German cockroach)
Blattella germanica
- Order & Family
- Blattodea; Blattellidae
- Size
- Nymphs are about 3–12 mm long; adults typically reach 13–16 mm.
Natural Habitat
Warm, humid indoor areas—especially kitchens, bathrooms, cabinets, and locations near food, water, or appliances.
Diet & Feeding
Omnivorous scavengers that consume crumbs, starches, grease, sweets, pet food, and occasionally paper or organic residues.
Behavior Patterns
Mostly nocturnal, fast-running, and strongly attracted to shelter and moisture. Females carry egg cases until hatching; nymphs molt several times before adulthood.
Risks & Benefits
Can contaminate food and surfaces and carry allergens associated with asthma and dermatitis. They provide little household benefit, though they contribute to decomposition outdoors.