In my opinion Galvantula is awesome with Sticky Web, but it's best if you've got a Spinner, Entry Hazards will severely cripple it.
A set like this should work pretty well. :D
Nature: Modest / Timid
EV Spread: 252 SpA / 252 Spe / 4 HP
Ability: Compoundeyes
-Bug Buzz
-Thunder
-Sticky Web
-Volt...