The collections of the Entomology Department include over 900,000 specimens.
The insect collection is especially strong in Coleoptera and Lepidoptera; smaller but important holdings include Diptera, Hymenoptera, and Neuroptera.
The type collection includes over 200 primary types and 500 paratypes with particular strength in Lepidoptera and Coleoptera.
There are also 15 holotypes of Arachnids, mostly tarantulas.
 The collections are regularly used by the county's departments of Agriculture and Environmental Health, the Medical Examiner's Office, the U.S. Fish and Wildlife Service, and private environmental consultants.
The collections of the Entomology Department include over 900,000 specimens. The insect collection is especially strong in Coleoptera and Lepidoptera; smaller but important holdings include Diptera, Hymenoptera, and Neuroptera. The type collection includes over 200 primary types and 500 paratypes with particular strength in Lepidoptera and Coleoptera. There are also 15 holotypes of Arachnids, mostly tarantulas.  The collections are regularly used by the county's departments of Agriculture and Environmental Health, the Medical Examiner's Office, the U.S. Fish and Wildlife Service, and private environmental consultants.
San Diego Natural History Museum