...Miriam Lehrer; Raymond Campan SUMMARY For about 70 years, bees were assumed not to possess the capacity to discriminate among convex shapes, such as a disc, a square or a triangle,based on results of early studies conducted by presenting shapes on horizontal planes. Using shapes presented...

...Raymond Campan; Miriam Lehrer SUMMARY In the present study, the performance of two bee species, the honeybee Apis mellifera and the leaf-cutter bee Megachile rotundata , in discriminating among various closed (convex) shapes was examined systematically for the first time. Bees were trained to each...