German Cockroach

Scientific Name: Blattella germanica

Order & Family: Order: Blattodea; Family: Ectobiidae

Size: 1.1 to 1.6 cm (0.43 to 0.63 in) in length

German Cockroach

Natural Habitat

Indoor environments near humidity and food, specifically kitchens and bathrooms, cracks and crevices.

Diet & Feeding

Omnivorous scavenger; eats crumbs, grease, soap, glue, and fermenting food, with a preference for starches and sugars.

Behavior Patterns

Mainly nocturnal; lives in large groups; rapid reproduction cycle with females carrying an egg case (ootheca) until just before hatching.

Risks & Benefits

Significant household pest; carries bacteria like Salmonella and E. coli on their legs; sheds skin and droppings that can trigger asthma and allergies in humans.

Identified on: 3/19/2026