Carnivorous parasprites are visually identical to pre-war parasprites. However, exposure to radiation caused a change in their diet, causing them to become carnivorous. A swarm of these parasprites can quickly eat a whole pony alive.
Swarms of carnivorous parasprites are known to nest in some of the ruined buildings and utility tunnels in Fillydelphia. Teams of slave ponies are regularly dispatched with flamethrowers and sealed hazmat suits to get rid of these nests.