I really can't see it very well to actually tell what it is, but it does look like it'd have something to do with Volbeat or Illumise. or at least look like them.
I'm hoping that it evolves FROM Volbeat, not To Volbeat. We could use a solid pure-bug performer that learns one of the strong bug moves. Volbeat just doesn't have the stats for it, but its next stage could be a very good thing.
I hope it's not an evo but insted a new species enteirly,cause making exstensions is boring after a while but new pokemon is Better (except for the Electabuzz evo,awsome)