>>49794624Leavanny is an abject shitmon, though, only saved by the later addition of Sticky Web. Also, Gen 4 was the kindest to bugs due to the physical special split, Bug Buzz, X-scissor, and most importantly THE most used Bug-type, and indeed the most used in the entire game, move U-turn.
Gen 4 salvaged a lot of mediocre Bug-types from prior gens, too, like Scizor and Ninjask, and it had the only Bug-type E4 trainer. Gen 5 might've introduced more and better Bug-types, but Gen 5 also introduced nearly 50% more Pokemon