>>35358915Gen I to IV metas were pretty different from each other because of all the mechanic changes, particularly for a type as barren as bug. Nowhere near as static as it has been Gen IV+
Remember in Gen I/II a lot of bugs didn't get usable STAB moves.
Scyther for Gen I (fast, can abuse crit/hyper beam mechanics)
Heracross for Gen II and III (Megahorn and then Guts)
Scizor for Gen IV (when it got Technician and Bullet Pucnh)