The Bee-Finder has been open to everyone since September 2022: private individuals, architects, developers and public institutions. A few clicks show the wild bee species occurring within 500, 1000 or 2000 metres of a given address. Every query produces a downloadable...
Zurich’s largest municipal green space is the Rieterpark at 62,120 square metres; the smallest is an unnamed, border-like patch of 14 square metres. These small and very small spaces are known as pocket parks. The small wool carder bee (Pseudanthidium nanum, female)...
Putting up a wild bee or insect hotel does not contribute to biodiversity. The reason is simple: the usual nesting aids provide housing for cavity-nesting wild bees, that is, for species that build their nests in existing cavities. They account for 5 per cent of all...
