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Check out the fanning behaviour of this swarm caught by @hinterlandbees 🐝 No, they are not stinging, they are releasing a powerful pheromone called Nasonov from a gland right at the tip of their abdomen, just above their stinger. Look at the close-up at the end of this video, you can see a white area just above the black tip of her abdomen. 🐝 Nasonov is released for a variety of reasons, but its primary effect is to orientate the rest of the colony. It's most commonly encountered by beekeepers