Colletes hederae has been recorded from Cyprus and many parts of southern and western Europe where it is currently rapidly extending its range northwards (Ortiz-SÃ¡nchez et al. 2002; Bischoff et al. 2005; Kuhlmann et al. 2007, 2012; Roberts et al. 2011). The extent of occurrence (EOO) in Europe is 3,271,208 kmÂ² and in the EU 27 is 3,180,515 kmÂ². The area of occupancy (AOO) in Europe is 1,200 kmÂ² and in the EU 27 is 1,120 kmÂ².