
Community identification
Cockroach nymph, likely German cockroach
Blattella germanica
- Order & Family
- Blattodea, Blattellidae
- Size
- Nymphs range from about 2–12 mm; adults are roughly 13–16 mm long.
Natural Habitat
Warm, humid indoor areas—especially kitchens, bathrooms, wall voids, and around appliances or plumbing.
Diet & Feeding
Omnivorous scavengers that consume food crumbs, grease, starches, cardboard, glue, and other organic residues.
Behavior Patterns
Mostly nocturnal, fast-running, and prone to hiding in cracks during daylight. Females carry egg cases, allowing populations to build rapidly indoors.
Risks & Benefits
Can contaminate food and surfaces and may spread microbes; shed skins and droppings can worsen allergies and asthma. They provide little household benefit, though they serve as prey for other animals.