These bursts of activity last for 4 seconds, with an interval of 11 seconds' rest before the next series of movements begins. This is a very hot issue at the moment.
Some people believe that insects can exhibit a form of group behaviour which is nonlocal.
If you damage one side of a termite nest, for example, it is alleged that all the termites in the nest alter their behaviour. This means there may be some new form of physical or biological law waiting to be discovered. However, other scientists believe this is nonsense and is just one more example of uncontrolled and unverifiable pseudoscience. It is important when observing such phenomena to be objective. A human dance troupe can quite easily keep in time just by sight and sound.