The C. P. Gillette Museum of Arthropod Diversity houses approximately three million specimens, and has excellent representation of most orders of insects especially with a strong in the coverage of Rocky Mountain species, but also southwestern species. The collection houses holdings of national importance in the aquatic insect orders, the Lepidoptera, the Diptera, and the Hymenoptera. The Collection houses 82 primary types and about 2,000 secondary types (Baker, Evans, Gillette, James, Kondratieff, Opler, Palmer). The associated Bruner Family Library contains important systematic literature. Research, undergraduate and graduate training, and outreach activities are prominent among museum related activities.