
Community identification
German Cockroach (Nymph)
Blattella germanica
- Order & Family
- Order Blattodea, Family Ectobiidae
- Size
- Nymphs range from 3 to 10 mm (adults reach 11 to 16 mm in length).
Natural Habitat
Indoors, specifically warm, humid, and moisture-rich environments near water sources such as bathrooms, kitchens, drains, and underneath sinks.
Diet & Feeding
Omnivorous scavengers; feeds on a wide variety of organic matter including food crumbs, grease, soap scum, paper, glue, and hair.
Behavior Patterns
Strictly nocturnal, fast-moving, and thigmotactic (prefers tight cracks and crevices). Highly gregarious and prone to rapid reproduction and infestations.
Risks & Benefits
Major structural/household pest. Poses human health risks by shedding allergens that trigger asthma and mechanically transmitting disease-causing bacteria (such as Salmonella and E. coli) via contaminated surfaces. Offers no significant indoor ecological benefits.