Azorean Hylaeus species: a Hylaeus azorae male, Holotype from Pico, Oberösterreichisches Landesmuseum Linz b Hylaeus signatus male in Reseda luteola (Resedaceae), regurgitating nectar, June 2012, Graciosa c Hylaeus pictipes female, dorsal view, on Solidago azorica (Asteraceae), July 2015, Corvo d Hylaeus pictipes male (second male in the background) on Ranunculus cortusifolius (Ranunculaceae), June 2012, Corvo; photos: Hanno Schaefer (a, b, d); Julie A. Weissmann (c); scale bars 2 mm.