Ichneumons are slender insects that are well-known for their parasitic lifestyle. These insects are often found in woodlands, grasslands, and forests, where they prey on the larvae of other insects. While the term "ichneumons" is commonly used to describe this group of insects, there are many other synonyms that can be used to refer to them. Some of the most common synonyms for ichneumons include parasitic wasps, ichneumon wasps, hymenopterans, and parasitic insects. Regardless of what they are called, ichneumons are incredibly interesting insects that play an important role in the ecosystems in which they are found.