As per the Schmidt pain index, the top ten painful stings include Level 4: Bullet ant, Warrior wasp, and Tarantula hawk wasps Level 2.5: Trap jaw ant Level 2: Western Honey bee, western yellow jacket, large tropical black ant, and glorious velvet ant Level 1.5: Bulldog ant. Level 1: Paper wasps, fire ants, and suturing army ants.