Im not an expert (despite the name ;) but I would imagine that opiates are alkaloids which act as a natural insecticide of sorts, much like nicotine does for tobacco.
Someone correct me if I am wrong.
love the name..but As another posted here just because you do not know one..well thats why I posted the question-and as a natural insecicide no that does not hold up- most plants produce toxins that paralize some insects ..ragweed for one, which we use for killing of human pests such as
lice.
...depends on how much you (dis)like lawyers, see also the short mystery story The Poisoned Dow '08.
Cheers!
Not only opium and nicotine, but a huge number of drugs and drug precursors: think of a mouse nibbling on a bit of digitalis, or LSD, or ...