Bug Identifier
German Cockroach
Community identification

German Cockroach

Blattella germanica

Order & Family
Order Blattodea, Family Ectobiidae
Size
13 to 16 mm (0.5 to 0.6 inches) in length
See this bug in the Encyclopedia

Natural Habitat

Indoor environments primarily including kitchens, bathrooms, and food preparation areas; thrives in warm, humid conditions near water sources.

Diet & Feeding

Omnivorous scavenger; eats almost anything including crumbs, grease, soap, glue, and fermenting food.

Behavior Patterns

Nocturnal and highly gregarious; reproduces rapidly with females carrying egg cases (oothecae) until shortly before hatching. They prefer tight crevices and are often found in clusters.

Risks & Benefits

Significant domestic pest that can contaminate food, spread pathogenic bacteria (like Salmonella), and trigger asthma or allergies via their droppings and shed skins. They have no notable benefits in human environments.