Azorean Halictus species: a Halictus lativentris male, UK b Halictus lativentris female from Faial, leg. P. Wirtz c Halictus malachurus male on Foeniculum vulgare (Apiaceae) with Brassicogethes beetle in the foreground, July 2016, Corvo d Halictus malachurus female on Galactites tomentosus (Asteraceae), June 2012, Graciosa; e Halictus malachurus female on Reseda luteola (Resedaceae), July 2016, Corvo f Halictus malachurus female approaching nest, while another female guards the entrance hole and touches the antennae of the arriving bee to control its scent, July 2016, Corvo; photos: Jeremy Early (a), Esther Ockermüller (Oberösterreichisches Landesmuseum Linz) (b), Julie A. Weissmann (c, e, f); Hanno Schaefer (d); scale bars 2 mm.