You don't. To get Phione you must breed a Manaphy with a Ditto and hatch the egg.
To find Staravia as a wild Pokemon search Route 209 if you want to find it in a trainer's party there is a trainer on Route 206
On Route 206 use your PokeRadar an you'll eventually catch it. It's by the cycling road.
you can find them in route 206 only by swarm though if you don't know what a swarm is then go back and talk to dawn/lucas sister and she tell you there is a swarm on a route she tells you the route and the Pokemon swarming there
it is a swarm Pokemon on route 206
Wild Pokémon that can be found within Route 206 in Pokémon Diamond would be Zubat, Ponyta, Geodude, Kricketot, Kricketune and Bronzong. Additionally the Pokémon Diamond exclusive Pokémon which is Stunky can also be found within Route 206 inside of the tall grass.
Swarm in Route 206
you can find them on route 206
route 206
You can find it at Route 206.
You find Gligar in Pokemon Platinum at Route 206. You can't FIND IT IN PEARL.
you can't,you have to use the poke radar on route 206 to find larvitar
Ruby route 111 Sapphire route 111 Emerald route 111 Firered none leafgreen none colosseum none XD only one snagged from Cipher Peon Browsix in Cipher lab.Diamond and Pearl rare (poke radar) route 206 Platinum uncommon route 206 (poke radar) Heartgold uncommon route 3.
To find Staravia as a wild Pokemon search Route 209 if you want to find it in a trainer's party there is a trainer on Route 206
Route 206 , 210 , 211 , 214 , 215
On Route 206, under the cycling road. Must find with the poke radar!!
after you have the national dex, you can find it on route 206.
Pokemon 206 in the national pokedex is Dunsparce and you can find it on route 208 at level 18 at any time of the day.