A termite swarm may be the most evident indicator of a termite infestation for many households. Termites swarm only when the colony has reached a specific size, and the meteorological conditions are favorable for flight. If you notice a swarm of termites surrounding your home, fixed colonies of termites likely live in or near your home.   Swarms of termites are a regular and required event for termite survival and dissemination. Swarming termites, or alates, will try to enter through small gaps in the walls and base to access free air for the first time when they leave the nest within a home. In addition, because swarming termites are drawn ...