To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 1 Exemplary video recording of a colony level bioassay. Both sides show the same colony during exposition of the baseline control (left side) and the synthetic pheromone (480 ng (S)-(-)-citronellal with 350 ng (S)-(-)-actinidine, right side). Age-dependent release of and response to alarm pheromone in a ponerine ant Tamara Pokorny, Lisa-Marie Sieber, John E. Hofferberth, Abel Bernadou, and Joachim Ruther Journal of Experimental Biology 2020. 223:None-None; doi: 10.1242/jeb.218040 Download Original Video