Tracker Jacker venom was engineered to target the part of the brain that generates fear, creating terrifying hallucinations that can drive a person to madness and within time death.

Who did the tracker jackers kill?

Glimmer was killed by tracker jackers that Katniss, who was originally informed of the nest by Rue, sent down on the Career Tributes by cutting off the branch that held it. Glimmer, Clove, Marvel, Cato, the District 4 girl (in the book), and Peeta were camping at the bottom of the tree where Katniss was hiding.

Are tracker jackers real?

Are tracker jackers real? Tracker jackers were a genetically engineered species by the Capitol, so in real life there is no real Tracker jacker. The closest resemblance I could find is what's called a 'potter wasp' .