Chapter 8. Gunnar Bergström. 1978. Role of volatile chemicals in Aphrys—pollinator interactions. Pages 207-231. In: J. B. Harborne (editor). Biochemical Aspects of Plant and Animal Coevolution. London, Academic Press, 435 pages.

Keywords: the Ophrys problem, pollinator, orchid pollination, aculeate hymenopterous insects, bees and sphecid wasps, attempted copulation by Eucera longicornis male on Ophrys scolopax, pollinia, Ophrys species are pollinated by sexuallyexcited aculeate bees, analysis of volatile chemicals, list of volatile chemicals, Andrena, Colletes, Dufour gland in the abdomen, volatile signals in some other insect-orchid interactions, role of volatile chemicals in the Ophrys-pollinator relationship, dispersal model for volatile compounds, behavioral phases of approaching pollinators, evolutionary model for the succession of functions for volatile compounds in orchids, quality/intensity activity model for the behavior related to the Ophrys pollination, aggregation, evolution of Ophrys-pollinator relationship, volatiles attract both bee sexes