Picture shows Andrea Grill, undated. She has warned that the insects would suffer from the restrictive approach to cutting back meadows as exhibited by residents and city councils' gardening departments. (NewsX/Bee)
A comparison of male and female bees clearly shows the sexual dimorphism in the eyes: The male (left) has significantly larger compound eyes than the female (right), which is attributable to the different tasks of the eyes, undated photo. (HHU/Institute of Evolutionary Genetics, NewsX/Bee)