Question

which of the following pheromones is excreted from the stinger of a worker bee has stung, others move in?
trail pheromones
aggregation pheromones
alarm pheromones
territorial pheromones

Explanation:

When a worker bee stings, it releases a pheromone from its stinger that signals other bees to respond defensively and join the action. Alarm pheromones function to alert and summon colony members to a threat, which matches this behavior. Trail pheromones guide to food sources, aggregation pheromones draw individuals to a location, and territorial pheromones mark boundaries, none of which fit the described scenario.

Answer:

Alarm pheromones