German Cockroach

Natural Habitat

German cockroaches are one of the most common indoor cockroach species worldwide. They prefer warm, humid environments close to food and water sources. Common habitats include kitchens and bathrooms in homes, restaurants, hotels, and other commercial buildings. They are often found in cracks and crevices, behind appliances, in cabinets, and under sinks.

Diet & Feeding

German cockroaches are omnivores, meaning they will eat almost anything. They are particularly attracted to starches, sugars, fats, and greasy foods. They can also feed on non-food items like soap, glue, and toothpaste.

Behavior Patterns

This likely appears to be an adult German Cockroach, which are primarily nocturnal, hiding during the day in cracks and crevices. They are very active at night, foraging for food and water. They are known for their rapid reproduction rate, with females producing several egg cases throughout their lifespan, each containing many nymphs. They are excellent at hiding and can quickly infest an area if not controlled. They generally do not fly but can glide or flutter if disturbed or dropped.

Risks & Benefits

Risks: German cockroaches are considered a significant household pest. They can contaminate food and food preparation surfaces with their feces and bodily secretions, potentially spreading bacteria like Salmonella and E. coli, as well as viruses and parasites. Their presence can trigger allergies and asthma in sensitive individuals due to allergens in their shed skins and droppings. They can also cause an unpleasant odor in heavily infested areas. Benefits: None significant to humans; however, they play a very minor role as decomposers in certain ecosystems.

Identified on: 9/1/2025