Pikachu - http://pokemondb.net/pokedex/pikachu
Raichu - Cannot be found on the wild.
Throh - http://pokemondb.net/pokedex/throh
Zorua and Zoroark can't be found in the wild, only through an event.
Galvantula - Not in wild, although Joltik can be found in http://pokemondb.net/pokedex/joltik
Klang and Klingklang cannot be found in the wild, but Klink is - http://pokemondb.net/pokedex/klink
The Locations are all in the Pokedex of every Pokemon, please don't be lazy, go and check it yourself.