 The effect is presumed to be that when the ant grooms its leg, the tactile sensation is as it would be in mite-free grooming.Tactile mimicry is found in the cricket "Myrmecophila acervorum"; its relationship with ants was first studied by Paolo Savis in 1819.It has many ant species as hosts, and occurs in large and small morphs suited to large hosts like "Formica" and "Myrmica", and the small workers of species such as "Lasius".