Year-round Average winter low about 48.0°F, so pests stay active (NOAA normals)Formosan termites Swarm at night around lights in late spring (NATS)Fire ants Bait the yard, then treat mounds (USDA APHIS)Roaches German roaches usually need bait and follow-up, not a single spray (UC IPM)Bed bugs They travel in luggage and used furniture (EPA)Rodents Seal entry gaps, trap, then clean up (CDC)Pest companies: rent or own this local guide. Month-to-month, no contract.Year-round Average winter low about 48.0°F, so pests stay active (NOAA normals)Formosan termites Swarm at night around lights in late spring (NATS)Fire ants Bait the yard, then treat mounds (USDA APHIS)Roaches German roaches usually need bait and follow-up, not a single spray (UC IPM)Bed bugs They travel in luggage and used furniture (EPA)Rodents Seal entry gaps, trap, then clean up (CDC)Pest companies: rent or own this local guide. Month-to-month, no contract.

Roaches & Palmetto Bugs in New Orleans

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Cockroach on a kitchen sponge. Photo: robertohunger / Depositphotos.

Two kinds cause most calls. German cockroaches are small, live indoors near kitchens and bathrooms, and breed fast. American cockroaches, the big ones many Southerners call palmetto bugs, live outdoors and in drains and wander in.

What works

Gel baits and bait stations for German roaches, plus an insect growth regulator.
Perimeter treatment and sealing gaps for American roaches.
Fix leaks and remove food and water sources.

DIY supplies: roach gel bait, bait stations, bifenthrin concentrate. Read the full bifenthrin roach guide.

Sources: UC IPM: cockroaches · Univ. of Kentucky: cockroach control

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