Bee hotel Crossocerus sp.♀︎ Last update: 25 June 2021 gardenspecies Unknown LOCATION: Krimpen aan den IJssel, gardenOBSERVATION:2019-VI-14 A female Crossocerus sp. on the bee hotel, possibly C. megacephalus or C. cetratus. Crossocerus megacephalus ♀︎