Native Subterranean termite swarming may occur in the spring, but other, smaller swarms may occur throughout the summer and into the fall. Native Subterranean termite growth can be slow, and it may take as many as four to 10 years before swarmers are produced. Swarms may occur in the morning to early afternoon on a warm, humid day, especially after a rain, and may be extensive in a neighborhood. Swarms interior to a home almost always mean that the structure is infested and a pest professional should be contacted for an inspection. Interior swarms will many times be found near windows, doors, etc., as the flying reproductives are attracted to lighted areas. Termites are most visible to homeowners when they’re swarming. Still, termites can damage unprotected structures all year long. In fact, you could have an active termite infestation in your home and never see a swarm.

Why Are Native Subterranean Termites Swarming around Baton Rouge?

A termite swarm around your house can mean that there is already a colony of termites living in, or near your home. Termite swarms have already been spotted all over Baton Rouge, LA and surrounding areas. As spring nears, swarms will continue to intesify in the area as weather temperatures increase along with humidity and rainfall. Termite swarmers leave the colony in large numbers during the spring and early summer months. Environmental factors such as heat, light, and moisture trigger the emergence of swarmers, with each species having its own set of requirements. The number of swarmers produced is proportional to the age and size of the colony. As Mother’s Day inches closer, formosan termite swarms will increase around the greater Baton Rouge areas.
  • Warmer temperatures
  • Increase in rain downpours
  • Overcast skies
  • Winds under 5 mph
  • Dampand wet soil
  • Increased humidity

Most Destructive Termite in Baton Rouge


Of all the subterranean termite species in the U.S., the Formosan subterranean termite has the potential to be the most destructive because it can generate much larger colonies than most other species. Their huge underground colonies can number into the millions, typically invading structures from the ground up. In a single day, a Formosan termite queen can produce more than 1,000 eggs, rapidly growing a colony. In addition to structures, they’ve also been known to infest trees, utility poles and even boats. Aside from wood, they can chew through telephone coverings and electric cable insulation, causing costly damage and power outages. This species is mostly found in southeastern U.S. states including Alabama, Florida and Louisiana, but is also established in Hawaii and California.

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