: a chemical substance that is usually produced by an animal and serves especially as a stimulus to other individuals of the same species for one or more behavioral responses
Recent Examples on the WebPheromones aren't a new discovery but the resurgence in pheromone-enhancing perfume makes sense. Jacqueline Kilikita, refinery29.com, 26 July 2022 To address adult moths, which emerge in June and July, pheromone traps are available that lure in male moths. Beth Botts, Chicago Tribune, 18 June 2022 All the excitement is brought on by nepetalactone, a chemical that is structurally similar to a particular feline pheromone. Megan Hughes, Better Homes & Gardens, 2 June 2022 After setting them up near hornet colonies in China's Yunnan province, the researchers found that the queen-equivalent pheromone was the most successful. Megan Marples, CNN, 15 Mar. 2022 The trees release aromatic compounds called terpenes to deter the beetles, but the beetles are able to convert some terpenes into a pheromone that attracts more beetles and can initiate a mass attack. Greg Miller, Smithsonian Magazine, 23 Dec. 2021 The researchers also noted that when bees create the sound with their thoraxes and wings, a pheromone-producing gland is exposed and may employ other communication strategies to rally more bees when undergoing an attack. Elizabeth Gamillo, Smithsonian Magazine, 11 Nov. 2021 Another idea might be to use another kind of pheromone the beetles produce, one that lets their compatriots know when space has run out. Jennifer Clare Ball, Wired, 17 Dec. 2021 The bee raised its abdomen while rapidly buzzing its wings and exposing its Nasonov gland, which releases a pheromone used to guide bees back to a hive.Washington Post, 12 Nov. 2021 See More
Note: Name introduced by the German biochemist Peter Karlson (1918-2001) and the Swiss entomologist Martin Lüscher (1917-79) in "'Pheromones': a New Term for a Class of Biologically Active Substances," Nature, vol. 183, no. 4653 (January 3, 1959), pp. 55-56: "We propose, therefore, the designation 'pheromone' for this group of active substances. The name is derived from the Greek pherein, to transfer; hormōn, to excite. Pheromones are defined as substances which are secreted to the outside by an individual and received by a second individual of the same species, in which they release a specific reaction, for example, a definite behaviour or a developmental process."