Reid, SamuelNarendra, AjayTaylor, RobertZeil, Jochen2015-12-130004-959Xhttp://hdl.handle.net/1885/73402Here we report on the nocturnal bull ant Myrmecia pyriformis, a species whose activity to and from the nest is mainly restricted to the dawn and dusk twilight respectively. Recent research on M. pyriformis has focussed on its visual system, the timing of201310.1071/ZO130272015-12-11