At some point, Willow figures that she really ought to try actually hunting down one of these beetles. And eventually she does come across one, and is chasing after it with her net when she has to come to an abrupt stop in order to avoid tripping over the man crouched down amongst some plants.

"Whoa...!" She just barely manages to keep from bringing her net down on top of the man's head, catching her balance in order to pull back. "Sorry about that!"