Bloodbugs possess muddy brown coloration which allows them to camouflage effectively into the environment of the Commonwealth. The bog-standard of bloodbugs, these mutated insects attack in swarms, piercing their prey with a needle-like proboscis and feeding on their blood.īloodbugs appear to be roughly two feet in length from the head to the tip of the abdomen. Although they feed upon the blood of their victims, they will also often spray this blood back into their prey's eyes to distort their vision. Around the size of a dog, bloodbugs attack by stabbing their knife-like proboscis into soft tissue. The mosquitoes that inhabited the swamps of Massachusetts were mutated since the Great War and have become a capable predator in the Commonwealth.