The Essig Museum of Entomology is a world-class terrestrial arthropod collection with a historical focus on surveying the insect fauna of California. Today that focus has broadened to include the eastern Pacific Rim and the islands of the Pacific Basin.
The Essig Museum is part of a consortium of museums on the UC Berkeley campus, the Berkeley Natural History Museums.

HomeComing OpenHouse: October 2-3, 2015

homecoming weekendCome visit the Essig Museum this weekend. On Friday, October 2, Guided Tours will begin at the top of the hour (3:00, 4:00, 5:00, and 6:00pm) - meet at the feet of the Tyrannosaurus rex in the Valley Life Science Building (please RSVP to On Saturday, October 3, all are welcome to visit our Essig Museum Open House between 1:00 pm and 5:00 pm. Follow the ants from the feet of the T. rex to room 1170 Valley Life Science Building.

CalBug Digitization Blitz: October 24, 2015

Notes from Nature This year the CalBug consortium, with our partners at Zooniverse, launched a new citizen science project called CalBug Expeditions on Notes from Nature. Join us on Saturday, October 24th, when the Essig Museum will host a digitization blitz as part of a global digitization event organized by WeDigBio. This blitz will focus on Jewel Beetles (Buprestidae) and Leaf-cutter Bees (Megachilidae). Participants will learn about Natural History collections, the importance of making data available to researchers and the public, and how to help us collect these data through the Notes from Nature website. The event includes a tour of the Essig Museum of Entomology. Sign up by sending an email to

Want to learn more?

Please feel free to search our databases or find out a little bit about our research and products. We also have an especially rich museum history and have a number of special collections unique to the museum.

Interested in coming to see us?

Please join us for one of our events or arrange for a research visit.
Researchers: Apply for our Visiting Taxonomist Travel Grant! Click here to learn more.

Support the Essig Museum

Donate to the Essig Museum through our Give To Cal site.

Or participate in the Big Give on November 19, 2015.