Ichneumonidae iyali ne na ƙwanƙwasa ƙwaya waɗanda suka shahara wajen sanya ƙwai a ciki ko a jikin wasu kwari, kamar su caterpillars, beetles, da kuda. Tsutsa na Ichneumonidae suna ciyar da kwarin da ke cikin gida, a ƙarshe suna kashe shi, sannan su yi kururuwa kafin su fara girma. Sunan "Ichneumonidae" ya fito ne daga kalmar Helenanci "ichneumon," wanda ke nufin "mai bin diddigin" ko "mafarauta," yana nufin ikon da za a iya ganowa da kuma lalata mai masaukinsa.