What is an "ichneumon fly"?

An ichneumon fly is a parasitic insect known for its long, slender body and elongated ovipositor, which it uses to inject eggs into the bodies of other insects or arthropods. It is commonly found in various habitats worldwide and plays a crucial role in controlling populations of other insects by parasitizing their larvae or pupae. The ichneumon fly is an important natural enemy of many pest species, making it beneficial to ecosystems and agriculture.