Bug Identifier
German Cockroach
Community identification

German Cockroach

Blattella germanica

Order & Family
Blattodea, Ectobiidae
Size
Typically 1.1 to 1.6 cm (0.43 to 0.63 inches) long.
See this bug in the Encyclopedia

Natural Habitat

Primarily indoor; prefers warm, humid environments close to food and water sources, such as kitchens, bathrooms, and food preparation areas. Can be found in homes, restaurants, hotels, and other commercial buildings.

Diet & Feeding

Omnivorous scavengers, feeding on almost anything inorganic, including food scraps, grease, starches, paper, soap, and even glue.

Behavior Patterns

Nocturnal; hides in cracks and crevices during the day. Known for quick, darting movements when disturbed. Female carries egg case (ootheca) until hatching or deposits it in a harbored location. Nymphs typically resemble smaller versions of adults.

Risks & Benefits

Potential Risks: Can transmit pathogens (bacteria, viruses, fungi, protozoa) causing food poisoning, diarrhea, and other illnesses. Their droppings and shed skins can trigger asthma attacks and allergic reactions. Infestations can be difficult to control. No known significant benefits to humans or the ecosystem.