(Figs 3 g, 8 a –b)
Melitta dilatata Kirby 1802: 39, 3 (lectotype— 3, designated by Notton & Dathe 2008: 1863, “ England, Suffolk, Barham” [British Museum of Natural History, London]).
Prosopis varians Spinola 1806: 113, Ƥ, 3 (type locality: Liguria, Italy).
Hylaeus distans Eversmann 1852: 54, Ƥ (type locality: “in provinciis Orenburgensi et Casanensi” [Orenburg Prov., Tatarstan Republic, Russia]).
Prosopis cervicornis Costa 1858: 28, 3 (type locality: Italia).
Hylaeus compar Förster 1871: 910, 3 (type locality: “Thüringen”, Germany).
Hylaeus smithii Förster 1871: 914, 3 ((type locality: Tirol, Austria).
Hylaeus oculatus Förster 1871: 1037, Ƥ (type locality: Aachen [Germany], Telfs, Tirol [Austria]).
Hylaeus schenckii Förster 1871: 1071, Ƥ (type locality: Nassau, Germany).
Prosopis consobrina Schenck 1874: 168 –169, Ƥ (type locality: Germany).
Hylaeus strigulosus Costa 1884: 169, Ƥ (type locality: Sardinia, Italy).
Prosopis annularis elbursa Warncke 1981: 170, Ƥ, 3 (type locality: Altin Daglari, Hakkari [Turkey]; Mazandaran, Elburz, Khorasan [Iran]).
Prosopis annularis: Eversmann 1852: 54.
Hylaeus annularis: Cockerell 1937: 5; Eremeeva et al. 2006: 26; Konusova et al. 2007: 213.
Hylaeus annularis auctorum, nec Kirby 1802: 38. See Notton & Dathe 2008.
Material examined: 14 Ƥ, 5 3. Russia. Altaiskiy Terr. (Barnaul); Altai Republic (20 km N Shchebalino, Sema River); Khakasia Republic (Shira Lake); Tyva Republic (15 km NE Turan).
Distribution in Russia. European part (Osytshnjuk et al. 1978), Orenburg Prov. (Eversmann 1952), Tomsk Prov., Kemerovo Prov. (Eremeeva et al. 2006; Konusova et al. 2007), *Altai Republic, *Khakasia Republic, *Tyva Republic., Irkutsk Prov. (Cockerell 1937).
General distribution. North Africa (Morocco, Tunisia), all over Europe to 62 ° north (Sweden); Caucasus, Asia Minor, east to Central Asia (Kazakhstan).