Dating a bug bite? Seriously? Maybe if it wasn't a simple bite, but a bug laying its eggs, it might work by estimating the age of the larvae. Things like that are done with maggots in deceased bodies, but some bugs prefer live bodies for their offspring to feed on. smile

http://en.wikipedia.org/wiki/Myiasis

The only known quantity that moves faster than
light is the office grapevine. (from Nan's fabulous Home series)