German Cockroach (Nymph)

Scientific Name: Blattella germanica

Order & Family: Order Blattodea, Family Ectobiidae

Size: Nymphs vary from 3mm to 12mm; adults grow to approximately 13-16mm in length.

German Cockroach (Nymph)

Natural Habitat

Primarily indoor environments, specifically warm and humid areas such as kitchens, bathrooms, and laundry rooms near food and water sources.

Diet & Feeding

Omnivorous scavenger; they eat almost anything including crumbs, grease, soap, glue, and wallpaper paste.

Behavior Patterns

Nocturnal and highly gregarious. They prefer tight crevices and reproduce very quickly, with females carrying egg cases (oothecae) until shortly before they hatch.

Risks & Benefits

Significant public health risk as they can spread pathogens, contaminate food, and produce allergens that trigger asthma and allergic reactions; they provide no significant benefits in domestic settings.

Identified on: 1/1/2026