Hylaeus spilotus Forster, 1871; H. euryscapus misident.; H. masoni (Saunders, E. 1894).
Formerly known as Hylaeus spilotus Forster, 1871 - see recent name changes. A close relative of Hylaeus dilatatus but readily distinguished in both sexes by the highly polished surface (devoid of fine microreticulation) between the mesontal punctures. There are other distinguishing characters involving the shape and patterning of the antennal scapes in the males.
Southern England, from East Kent to Dorset, and north to Gloucestershire. Also known from the Channel Islands (Jersey (Saunders 1902; Richards 1979). This is mainly a south-western European and North-west African species (Koster 1986).