The bees of the family Halictidae (Hymenoptera) described by Ferdinand Morawitz from the collection of Aleksey Fedtschenko.

The type specimens of the family Halictidae, 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 43 taxa is provided. Lectotypes are here designated for the following seven nominal taxa: Halictus aprilinus Morawitz, 1876, H. cingulatus Morawitz, 1876, H. laevinodis Morawitz, 1876, H. limbellus Morawitz, 1876, H. nasica Morawitz, 1876, H. rhynchites Morawitz, 1876 and H. vulgaris Morawitz, 1876.