Make it learn Ancient Power.
onix evole from gedude
Butterfree, Venonat, Yanma, Nincada
yanma does not evovle. yanma will only evolve in Pokemon diamond and pearl and platinum.
in platinum what leve does staravia evole
yanma is in ruin valley on island six
Yanma is a Bug and Flying type pokemon.
You can find Yanma in Pokémon Diamond in the Great Marsh.
Yanma evolves when it learns Ancientpower, it learns it at Level 33.
RAISE YANMA TO LEVEL 33 AND TEACH ITANCIENT POWER
If yanma is your allie
Yanma evolves as soon as it learns Ancientpower which is at Level 33.
Yanma learns ancient power at lv.33