Prosopis pygmaea (SCHENCK 1853); Prosopis rubicola (SMITH 1871); Hylaeus discretus FÖRSTER 1871; Hylaeus atratulus FÖRSTER 1871; Hylaeus nigritarsis MORAWITZ 1876; Hylaeus minuta FABRICIUS, sensu ALFKEN 1913; Hylaeus brevicornis sardoa ALFKEN 1934; Hylaeus parvulus JANVIER 1972
A common species found throughout much of lowland Britain from Kent to the Isles of Scilly, and northwards to Kirkcudbrightshire. There are remarkably few records from Wales, where the species may be under-recorded. Also known from the Isle of Man, Scilly and the Channel Islands. In Ireland it is widely distributed, mainly in the eastern and southern counties. Widely distributed throughout much of Europe, north Africa (see distribution map in Koster (1986a)), the Middle East, the Caucasus, Iran and in Japan (as H. perforator).