 Unlike other wasps , P. exclamans tend to have smaller nests , with typically fewer than one hundred individuals in a given nest . Because of the size of the nest , the queen tends to be the most active individual in the nest . This is because the queen has to monitor and directly control the activities of the nest . In addition to her reproductive role , the queen must also act as the pacemaker of the nest and synchronize the worker activity . These last two points have recently been disputed and the workers may be self organized . It has also been observed that the queen will act aggressively towards individuals that are the least active . 
