It evolves at level 20
it doesn't evolve in Pokemon ruby.
Weezing does not evolve in Pokemon Ruby.
Nosepass doesn't evolve in Ruby, sorry.
Minun does not evolve!
Shedinja does not evolve.
Corpish will evolve at level 30
Whismur will evolve around level 27.
It will evolve at level 48
level 30
Level 50
Level 30.
Level 40