Texas pest season calendar
Texas spans several climates, so timing shifts from South Texas to the Panhandle. These windows come from Texas A&M AgriLife Extension.
| Pest | Peak window | What it means for you | Source |
|---|---|---|---|
| Subterranean termites | late winter through spring | Swarming can start in January or February in South Texas and run as late as April or May in the Panhandle, often after rain when the soil stays moist. | Texas A&M AgriLife Extension |
| Fire ants | spring and fall | Fire ants forage most actively in spring and fall when temperatures sit around 70 to 85 degrees. AgriLife's two-step baiting is timed to those foraging peaks. | Texas A&M AgriLife Today |
| Odorous house ants | warm months, more indoors after rain | Indoor sightings often follow rain, and outdoor foraging peaks when temperatures are between about 70 and 86 degrees. | Texas A&M AgriLife Extension |
| Carpenter ants | spring | Carpenter ants swarm in spring as temperatures warm. Large ants active indoors in early spring can point to a nest inside the structure. | Texas A&M AgriLife Extension |
Windows are general guidance from the cited university extension and state sources, checked on . Local weather and microclimate shift them, so treat these as planning ranges rather than exact dates.
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