... of the vertical glass tube was covered with a horizontal microscope coverglass, leaving only a small opening for the parasitoids to exit, one at a time. After walking up the glass tube and exiting through the opening, the wasps typically paused for a moment and then jumped from the horizontal coverglass...

...Roberto Romani; Marzia Cristiana Rosi; Nunzio Isidoro; Ferdinando Bin SUMMARY We have studied the courtship behaviour of Trichopria drosophilae Perkins (Hymenoptera: Diapriidae), a pupal parasitoid of the common fruit fly Drosophila melanogaster Meigen (Diptera: Drosophilidae), to understand...