Long Bodied Springtail Long Bodied Springtail Long Bodied Springtail Long Bodied Springtail Just 3mm Long, A Springtail Springtails are minute primitive arthropods, used to have their own Order in the insects.  Now they are considered in their own CLASS, not Insecta (well- by most).  They are given a new Order- Entognatha. ...