Vein patterns of a honeybee, a common wasp and a bumblebee. (Image: J. Egli and Nano Imaging Lab, SNI, University of Basel) Structure of the wing surface in the vein system of a honeybee, a common wasp and a bumblebee. (Image: J. Egli and Nano Imaging Lab, SNI, University of Basel) The “song” of the Jamaican field cricket termined their in昀氀uence on the frequency of the calling For his Matura thesis, Tim Zimmerli from Gymnasium song. Contrary to his hypothesis, he found that the width Münchenstein analyzed various in昀氀uences on the calling of the 昀椀le teeth had only a minor in昀氀uence on the domi- song of Jamaican 昀椀eld crickets. As part of this work, he nant frequency of the call. received support from the team of the Nano Imaging Lab, among others. “Working on the scanning electron Male crickets produce a calling song to attract females microscope was a real highlight of my by rubbing a special structure known as a scraper on one Matura project.” wing across a 昀椀le, with numerous teeth, on the other. Tim Zimmerli on the support he received In his project, which was supported by the Nano Imaging from Evi Bieler and Dr. Monica Schönenberger Lab, Zimmerli studied the number, structure and width of the Nano Imaging Lab of the 昀椀le teeth of a male Jamaican 昀椀eld cricket and de- The shrill bar with numerous teeth on a wing of the Jamaican 昀椀eld cricket is clearly visible. (Image: T. Zimmerli and Nano Imaging Lab, SNI, University of Basel) SNI INSight December 2023 24