Movie 2

The dorsal stroke reversal of a honey bee as visualized from above. The wings are illuminated by a laser sheet to highlight the wing-wing contact. Slowed down approximately 600 times.

Wings as impellers: honey bees co-opt flight system to induce nest ventilation and disperse pheromones

Jacob M. Peters, Nick Gravish, and Stacey A. Combes

Journal of Experimental Biology 2017. 220:2203-2209; doi: 10.1242/jeb.149476