[The species of the genus Eucera Scopoli 1770 (Hymenoptera, Apidae). The subgenera Stilbeucera Tkalcu 1979, Atopeucera Tkalcu 1984 and Hemieucera Sitdikov & Pesenko 1988.] Linzer Biologische Beitraege, 35(2), 19 Dezember 2003: 1241-1292. 1261 [Zoological Record Volume 140]