The following account is the first attempt to summarize the scattered literature on sex in the Mediterranean fruit fly. It concentrates almost exclusively on behavioral aspects of sexual interactions (for other facets of Mediterranean fruit fly biology and data on other species of


, see

Yuval and Hendrichs, Chapter 17). I have avoided simply listing previous studies concerning particular topics, and have instead tried to evaluate critically what these studies have and what they have not demonstrated. If the chapter seems a litany of “there are no data on …,” it is because of our remarkable ignorance, despite more than three decades of concerted research.