German Cockroach (Nymphs)

Scientific Name: Blattella germanica

Order & Family: Order: Blattodea; Family: Ectobiidae

Size: Nymphs start at 1.5-3mm and grow through stages up to 13-16mm as adults.

German Cockroach (Nymphs)

Natural Habitat

Commonly found in indoor environments, localized near heat and moisture sources such as kitchens, bathrooms, and food storage areas.

Diet & Feeding

Omnivorous scavengers; they consume human food scraps, grease, pet food, glue, and organic matter.

Behavior Patterns

Nocturnal and highly gregarious, often clustering in tight cracks and crevices during the day. They have a high reproductive rate, with females carrying egg cases (oothecae) until shortly before hatching.

Risks & Benefits

Significant indoor pests. They can carry pathogens, transmit diseases like salmonellosis, and their droppings or shed skins are major triggers for asthma and allergies. They offer no benefits to human environments.

Identified on: 4/5/2026