Parasitic wasps are a wasp that lay their eggs on paralyzed insects such as caterpillars and spiders. Their are many species of parasitic wasps that vary in shape and colour. Most parasitic wasps have long, thin antennae that may appear to have elbows. Parasitic wasps also have either coloured or clear wings with a narrow waist between their thorax and abdomen. Only female parasitic wasps have a long ovipositor that is used for laying eggs. The ovipositor looks much like a needle at the tip of their abdomen. Parasitic wasp eggs are laid inside or on a paralyzed victim such as a caterpillar or a spider and stored in a cell in the wasps nest. Once the egg or eggs hatch, the larvae, normally a cream coloured short looking worm slowly eats the paralyzed insect until they are ready to emerge, chewing their way out of the now dead victim.