> I've holes chewed in multiple pitchers here in the North Carolina piedmont
> and my Mom has reported the same thing happening to her S. flava in the NC
> mountains. I don't think it is slugs doing it to my plants. For one thing,
> I don't see any slug slime trails left behind. Secondly, I've seen the tops
> of several pitchers chewed off. I don't think a slug would travel all the
> way to the top of the pitcher for a meal and I also doubt these wimpy
> pitchers (on my S. minor) could support the weight of anything very big.
> The damage I see is more consistent with Japanese beetles. I haven't been
> able to catch the perpetrator even though I've checked both during the day
> and at night. In your case it could be an insect that the plant trapped
> eating its way out. Let me know if you find out!
Wasps are very good at doing this here in England. They get trapped
in the pitchers, but very often manage to chew a hole and escape at
the level where they get stuck.