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.

Termites in New Orleans

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Termite damage in a house. Photo: weerapat / Depositphotos.

Formosan termites are the headline pest in New Orleans. The LSU AgCenter calls the Formosan subterranean termite the most destructive structural pest in Louisiana. It was first reported in the port cities of Lake Charles and New Orleans and has spread to 42 of the state's 64 parishes. The City of New Orleans Mosquito, Termite & Rodent Control Board estimates these termites have caused about $300 million in local damage. Swarm season runs from April into June, sometimes into July, with the peak around Mother's Day, on warm, humid, windless evenings when swarmers fly to lights.

What treatment involves

An inspection for mud tubes, damaged wood and swarmers.
Liquid soil termiticide around the foundation, or a bait-station system.
Fixing moisture problems that draw termites.

Buying or selling a home? Ask for a wood-destroying insect (WDI) inspection.

Sources: LSU AgCenter: Preparing for the termite swarms · City of New Orleans: Mosquito, Termite & Rodent Control Board, termite control · NOLA.com: Formosan termite swarm season (Board staff quoted) · North American Termite Survey: swarm seasons · UF/IFAS: Formosan subterranean termite

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