The most important exocrine glands in honey bees found to be implicated in pheromone production come from body regions which include, the head where the mandibular glands are found; the thorax which houses the thoracic salivary glands; and the abdomen where the dufour gland and epidermal glands. Honey bees workers are known to posses nasonov glands where they secrete pheromones which are used to mark potential food resources such as nectar rich or pollen rich flowers... But do stingless bees have nasonov glands ? and if they dont, how do they mark out potential food resources for their nest mates to locate