The ichneumon wasp is a type of insect that is known for its unique features and characteristics, and as such, it has several synonyms. These include the parasitic wasp, hymenopteran, apocrita, or the parasitoid wasp. These names are used to describe the ichneumon wasp due to its parasitic nature, which involves the use of another insect host to provide food and shelter for its larvae. The hymenopteran name is used to describe its classification as a type of insect, while apocrita refers to the insect's suborder. Parasitoid wasp is another name that describes their nature as parasites. These synonyms help to identify the ichneumon wasp based on its nature and features.