http://www.evilmadscientist.com/article.php/EatBugs2
Cliff Notes: The food industry's use of insects/insect residue is more common than you think.
Comment: Definitely makes me read the ingredients list of any candy/food product more closely.
SIDE NOTE: An OHIO UNIVERSITY STUDY says that Americans eat ONE to TWO POUNDS OF INSECTS each year without knowing it.
There's even an FDA "allowed contaminants" regulation.