Phylogenetic tree (maximum likelihood) of Andrena from the subgenera Aciandrena Warncke, 1968, Aenandrena Warncke, 1968 sensu lato, Graecandrena Warncke, 1968, Poecilandrena Hedicke, 1933, and the numida-group based on the mitochondrial COI gene. Andrena (incertae sedis) relata Warncke, 1975 is used as an outgroup. Numbers adjacent to branches represent bootstrap support (values of <75 are omitted).