Wild bees, honey bees and co, pollinator fauna in distress

Who can sting and who only does so, what are wild bees and where do they love, what effect do measures like the creation of flower strips and autochthonous greenery really have? What can we do in our own garden to protect insects? Timo Kopf gives an overview of domestic flower visitors and reports from his current research on successful nature and insect protection measures.