Picture shows a small carpenter bee (ceratina calcarata) on a stem, undated. Carpenter bees lacking maternal support are more susceptible to illnesses and parasites, scientists in Canada have found. (Sandra Rehan, York University, NewsX/Bee)
Picture shows a wild bee hotel to the side of the former main entrance to the district building on Nassauerallee in Kleve, North-Rhine Westphalia, Germany, undated. The district of Kleve is setting up a total of 13 insect hotels at different locations to promote biodiversity. (Kreis Kleve, NewsX/Bee)