Soldier from subterranean termites Coptotermes curvignathus eject a poison secretions as a defensive secretions to overcome their enemy. This research aimed to evaluation the toxicity of soldier defensive secretions extract in aquabidestilata, ethanol, ethyl acetate and n-hexane             solutions against Odontoponera denticulata ants. Filter paper with 200 µl extract were exposure to ants for 14 day.                    The first time ants mortality and time for all ants                  mort