Bug is my 2nd favorite type.
I hope ilumise and volbeat get the electric/bug evolution. it´s the best type comination IMO excluding cradly one. With thunderdance it loses the weakness to fire and illumise learns water pulse so it can counter some STABed rock slides.
Beedril has one unique attack that´s excelent, but just it learns this attack, it´s twinneedle, it can break a sub. (if you already dealt some damage before) and it can poison!
Megahorn is by far the best bug attack that helps the pokémon that learns this attack,like heracross and nidos and their weakness to psychic.
Silver wind is a good attack too, especially for baton passer scizor.
Armaldo holding choice band + furry cutter can deal a HUGE damage in opponent specially in double battles.
Ninjask is by far the best baton passer we can have, with 4 substitutes and 2 protects it can maximize next pokémon speed and if it didn´t got the substitute broke it can use swords dance to boost little more your next pokémon.
compoundeyes is the most useful ability IMO, it makes sleep powder and poison/stun spore 99% accurate, the same than spore/thunder wave and more accurate than toxic. Compoundeyes is an ability for just bug pokés.
Bugs ARE great pokémon, they just didn´t got their opportunity (yet!)