Cockroach Nymph
Scientific Name: Blattodea
Order & Family: Order: Blattodea; Family: Typically Blattellidae or Blattidae
Size: Nymphs can range from approximately 2mm to 10mm depending on the species and stage of development.
Natural Habitat
Inhabits dark, moist, and secluded areas such as kitchens, bathrooms, basements, and behind appliances or inside wall voids.
Diet & Feeding
Omnivorous scavengers that feed on crumbs, food scraps, grease, starch, glue, decaying organic matter, and even paper products.
Behavior Patterns
Primarily nocturnal and highly social; they undergo incomplete metamorphosis (egg, nymph, adult). They are fast runners and tend to aggregate in tight crevices.
Risks & Benefits
Significant household pest. They can contaminate food surfaces, trigger asthma and allergies via cast skins/droppings, and mechanically transmit pathogens like Salmonella. They provide no direct benefits to the indoor ecosystem.
Identified on: 1/13/2026