Dihydroactinidiolide is a volatile terpene. It has a sweet, tea-like odor and is used as a fragrance. Dihydroactinidiolide occurs naturally in black tea, fenugreek, fire ants, mangos, silver vine (Actinidia polygama), and tobacco. It has also been prepared synthetically. Dihydroactinidiolide is a pheromone for a variety of insects; for example, it's one of the three components of the pheromone for queen recognition of the workers of the red fire ant. As with nepetalactone, found in catnip, dihy… (More on Dihydroactinidiolide)