Most species of subterranean termites swarm during the spring and summer months, typically on a warm day with calm winds after a rainfall. Drywood termites and one particular species of subterranean termite (R. hageni) typically swarm during the late summer or fall months, from August through November.

Do swarming termites mean infestation?

Do Swarming Termites Mean An Infestation? If a swarm happens inside your home, most of them will not survive to establish a new colony but it does mean that your home is likely infested.

How long do termite swarms last?

The swarm often lasts just a few minutes, as swarmers fly a short distance, then fall to the ground and lose their wings. Most swarmers die within a day or so of the swarm.