Cockroach Droppings (Frass)
Scientific Name: Blattodea (family depends on species)
Order & Family: Order: Blattodea; Family: Blattidae or Ectobiidae
Size: 1 mm to 3 mm in length (comparable to a grain of black pepper or coffee grounds)
Natural Habitat
Indoor environments such as kitchens, bathrooms, basements, and behind appliances; outdoors in leaf litter or wood piles.
Diet & Feeding
Cockroaches are omnivorous scavengers, consuming food scraps, paper, glue, and organic decaying matter.
Behavior Patterns
Nocturnal behavior; droppings are often found in high-traffic areas or near nesting sites. Presence indicates an active infestation.
Risks & Benefits
Risks: Potential for allergic reactions, asthma exacerbation, and the spread of pathogens like Salmonella or E. coli. No known benefits to humans in indoor settings.
Identified on: 3/18/2026