Dorsal surface of metasoma of female Trachandrena. A Andrena rugosa, the type species of the subgenus, with relatively wide apical impressed area of T2; B A. hippotes Robertson, with a relatively narrow apical impressed area of T2 (but still wider than basal area); C A. cleodora (Viereck); D A. hadfieldi, nov. sp. Both of the latter species have broad apical impressed areas of T2 which are impunctate.