why
 

 insects  why







 

Question by  Samson (22)

Why would fire ants swarm?

 
+6

Answer by  melz10 (61)

When a fire ants stings an animal, a pheromone is released and signals other fire ants that danger is near. Depending on the circumstances, fire ants would rather fight than flight and that is when they swarm.

 
+6

Answer by  PhotoPete (45)

Fire ants are extremely territorial. With that in mind, when their mounds are disturbed by an outsider, like a person accidentally stepping on their mound they will swarm. They simply think they are being attacked, and they swarm in self defense.

 
+5

Answer by  bl834 (1317)

Mostly because something has disturbed their nest. They are very aggressive and do not distinguish between disturbances before swarming/attacking (such as sprinklers or an animal).

 
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