Bug Stomper/Fallout: New Vegas
Pulling the legs off ants suits you well. You gain a damage bonus against insects.”
You deal +3% damage to mutated insects and arachnids (radscorpions, giant ants, radroaches, etc...); the second rank provides a 6% bonus, and the final rank confers 10%. This perk stacks with other related perks such as Entomologist.