The bees of the genus Andrena Fabricius, 1775 (Hymenoptera, Andrenidae) described by Ferdinand Morawitz from the collection of Aleksey Fedtschenko.

The type specimens of the genus Andrena Fabricius, 1775, described by Ferdinand Morawitz from the collection of Aleksey Fedtschenko deposited in the Zoological Museum of the Moscow State University and in the Zoological Institute, Russian Academy of Sciences, St. Petersburg (Russia), are critically reviewed. Precise information with illustrations of types for 52 taxa is provided; of these 39 species are valid and thirteen are invalid (ten synonyms and three homonyms). Lectotypes are here designated for the following 24 nominal taxa: Andrenaacutilabris Morawitz, 1876, A.aulica Morawitz, 1876, A.bicarinata Morawitz, 1876, A.combusta Morawitz, 1876, A.comparata Morawitz, 1876, A.corallina Morawitz, 1876, A.discophora Morawitz, 1876, A.fedtschenkoi Morawitz, 1876, A.initialis Morawitz, 1876, A.laeviventris Morawitz, 1876, A.leucorhina Morawitz, 1876, A.mucorea Morawitz, 1876, A.nitidicollis Morawitz, 1876, A.oralis Morawitz, 1876, A.planirostris Morawitz, 1876, A.ravicollis Morawitz, 1876, A.rufilabris Morawitz, 1876, A.sarta Morawitz, 1876, A.smaragdina Morawitz, 1876, A.sogdiana Morawitz, 1876, A.subaenescens Morawitz, 1876, A.tuberculiventris Morawitz, 1876, A.turkestanica Morawitz, 1876, and A.virescens Morawitz, 1876.