Found under a landscaping stone. 3 meters and upslope from a stream. 61 degrees F. Rolled together prior to disturbing. Zaborski 2002 reported this species in Urbana previously. Zaborski, E. R. 2002. Observations on Feeding Behavior by the Terrestrial Flatworm Bipalium adventitium (Platyhelminthes: Tricladida: Terricola) from Illinois. The American Midland Naturalist 148:401â408.