ScraftyDevil
Banned
I think i'll go for Armaldo, it's just such a cool Pokemon... though i'll keep an eye on Volbeat as well.
Remember to breed Aqua Jet onto it!
Swords Dance/Stone Edge/Aqua Jet/Earthquake or X-Scissor seems like it would be a good moveset for Armaldo. If you went with Swift Swim for its Ability, you could use the aforementioned Volbeat to set up priority Rain Dance, which would double Armie's speed and seriously buff Galvantula's Thunder (with the added bonus of halving the damage of Fire-attacks, one of Bug-type's biggest threats).