A worker honey bee fans air over the exposed Nasonov gland near the tip of her abdomen. The orientation pheromones produced by the gland help other bees orient to the colony. Urbana, Illinois, USA
With summer temperatures near 95ºF (36ºC), workers cluster outside the hive in a behavior known as "bearding".
Scores of worker bees fan their wings at the hive entrance on warm afternoons.
