Movie 1
Flow visualization of a scenting honey bee. A vortex is shed at the end of the dorsal stroke reversal, which is marked with a red cross. Slowed down approximately 400 times.
Wings as impellers: honey bees co-opt flight system to induce nest ventilation and disperse pheromones
Journal of Experimental Biology 2017. 220:2203-2209; doi: 10.1242/jeb.149476