German Cockroach

Scientific Name: Blattella germanica

Order & Family: Order: Blattodea; Family: Ectobiidae

Size: 11 to 16 mm (0.43 to 0.63 in) in length

German Cockroach

Natural Habitat

Exclusively associated with human structures, particularly warm, humid areas like kitchens, bathrooms, and food processing areas.

Diet & Feeding

Omnivorous scavenger; eats almost anything including crumbs, grease, protein, sugars, book bindings, and even soap or toothpaste.

Behavior Patterns

Primarily nocturnal; they are fast runners and tend to congregate in dark, tight crevices. They have a high reproductive rate, with females carrying egg cases until they are ready to hatch.

Risks & Benefits

Significant indoor pest. Risks include the mechanical transmission of pathogens (e.g., E. coli, Salmonella) and the production of allergens that can trigger asthma and allergic reactions in humans.

Identified on: 5/13/2026