The Brown-Banded Cockroach (Supella longipalpa) is light brown with two yellowish-brown bands across the wings/abdomen and typically measures ~1/2 inch. The brown-banded cockroach (Supella longipalpa) is a small cockroach species that is unique among common household cockroaches in its preference for warm, dry environments. While German cockroaches cl.

The Brown-Banded Cockroach poses a moderate risk. Brown-banded cockroaches contaminate food and surfaces with bacteria and spread allergens throughout the entire home, not just food preparation areas. Their presence in electronics can cause short circuits.

In Arizona, brown-banded cockroachs are most often encountered in the following situations: Small cockroaches found throughout the home — not just in kitchens and bathrooms. Egg cases (small, reddish-brown, about 1/4 inch) glued to the undersides of furniture, inside cabinets, or behind wall decorations. Droppings resembling tiny dark specks in unexpected locations throughout the home.

The Brown-Banded Cockroach is most active during: Year-round indoors; prefer warm, dry conditions. Arizona's warm desert climate can extend activity periods compared to other states, so year-round vigilance is recommended in the Phoenix metro and surrounding areas.

Inspect used furniture and appliances before bringing them home. Store food in sealed containers. Reduce clutter throughout the home. Seal cracks and gaps in walls and around electrical outlets.

Gel bait applications throughout the home (not just kitchen/bathroom), insect growth regulators, and residual treatments. Treatment must cover the entire structure, not just moisture-prone areas.

Cockroaches are nocturnal and highly secretive — seeing even one during the day is often a sign of a larger hidden population. Brown-Banded Cockroachs reproduce rapidly, so early intervention is critical. Contact Pest Control Bros for a thorough inspection if you spot one.