In moths, yeah. It'll be much harder in humans, but I've still got to test small mammals.
Problem is, I love fluffy aminals and was sad when some of the moths died. =(
( Digeridude Lord Wellington's Beef Trapeze, Tue 14 Oct 2008, 18:16, archived)

I saw a moth die last night
It flew into the light, then fell on me, then I flicked it off me, killing it in the process.
( minimum fuss - an all time favourite, Tue 14 Oct 2008, 18:19, archived)