he or she evolves at level 18
Ledyba evolves at level 20.
When Ledyba reaches level 18, it evolves into a Ledian...
It evolves into Ledian at Lv 18.
No I don't believe you can catch a ledyba in emerald
lvl 18
Ledyba is a Bug and Flying type pokemon.
ledian
Starting at level 18 Ledyba can evolve into Ledian. Once evolved the Pokémon will retain all the same abilities and typing.
Ledyba is in SoulSilver only
In Safari Zone Extension.
Look around the safari zone
Level 100.