A Repository Supporting Research and Education

The museum serves as a repository for specimens representing the local arthropod fauna, as well as sites worldwide. These reference collections are necessary for the identification of species in support of research and for the teaching and training of new students of Entomology.



Online Insect Databases and Holdings

ERM Maintains several databases available to the public.

View a Database


over 4 million
204 +
primary type specimens
year of the oldest specimen


Got a Question? 

We have an answer!

A place for the curious to help them track down and get information about common insects they may encounter here in California and elsewhere.



Let us help you with your search