Although humans have not yet been killed by a hellfire wasp, it is common for RDA personnel to be placed on medical leave for several days because of sting. It is believed, however, that a swarm of the wasps will eventually cause a fatality.
The hellfire wasp is shaped much like a typical Earth wasp, but is similar in size to a sparrow. Although usually observed flying alone, swarms the size of a robodozer have been sighted. It has an accurate organic targeting system that uses an olfactory organ to detect the biochemistry of any nearby creature. If it senses danger, its flight becomes agitated and erratic and it will usually attack. (Read more)