Collection of Hymenoptera
Hymenopteran collections are of J. L. C. Gravenhorst (Ichneumonidae, including types of ca. 1 000 species), J. Noskiewicz (30 000 specimens including numerous types of Apidae), and R. Dittrich (50 000 specimens). Hitherto available are records from the J. Noskiewicz's collection.
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