Department of Entomology
The Lepidoptera Collection has over 4 million specimens, occupying over 30,000 drawers and 3,000 alcohol jars. It includes 25,000 primary types. The collection has the most complete representation of both larvae (123,000 specimens) and adults in the Western Hemisphere. The collection is particularly rich in Nearctic and Neotropical species as well as Palearctic material for most families. The microlepidoptera collection contains excellent coverage of Far Eastern species.
Taxonomic groups or geographic areas that are well represented include: Palearctic Lycaenidae; Japanese and Formosan Microlepidoptera; Neotropical Geometridae; Philippine Lepidoptera; Szechwan, China, Macrolepidoptera; Egyptian Lepidoptera; and Nearctic Sesiidae. The William Barnes Collection of a half-million North American Lepidoptera was the largest single acquisition, followed by the J. G. Franclemont Collection.