title: Aculeate Hymenoptera (Hymenoptera, Aculeata) Inhabiting Trap Nests in Crimea
abstract: Trap nests for aculeate Hymenoptera were exposed during 15 years (2002–2016) in 80 localities of Crimea. A total of more than 500 trap nests containing about 25 000 cavities were used. As a result, 6 895 nests of 97 species from 9 families of Hymenoptera were obtained: Pompilidae (5 species / 118 nests), Vespidae (27/1201), Ampulici-dae (1/6), Sphecidae (2/8), Crabronidae (10/591), Colletidae (7/202), Megachilidae (37/4619), Apidae (3/9), and Formicidae (5/141). The rate of trap nest colonizatio
journal: Entomological Review