
Community identification
German Cockroach Nymph
Blattella germanica
- Order & Family
- Blattodea: Ectobiidae
- Size
- Early stage nymphs are approximately 1-3 mm, growing up to 13-16 mm as adults.
Natural Habitat
Primarily indoors, favoring warm, humid areas such as kitchens, bathrooms, and laundry rooms. They hide in cracks, crevices, and behind appliances.
Diet & Feeding
Omnivorous scavengers that feed on food scraps, grease, starches, glue, and organic matter.
Behavior Patterns
Nocturnal and highly social, often found in clusters. They undergo incomplete metamorphosis (egg, nymph, adult). Early nymphs are characterized by a dark body with a light-colored spot on the back.
Risks & Benefits
Significant indoor pest; they can spread bacteria (like Salmonella and E. coli) and trigger allergic reactions or asthma in humans. They provide no significant benefits in a domestic human environment.