When honey bees become trapped in a milkweed’s elaborate pollination system and die, what are the ecological consequences? Is the presence of dead bees a deterrent to future visitors, such as honey bees (Apis mellifera) and non-Apis visitors? Do the dead bees result in an influx of predators, like ants? 

The Bohart Museum of Entomology will celebrate National Moth Week by hosting its annual Moth Night open house on Saturday, July 18.

The event, free and family friendly, will be held from 7 to 11 p.m. in the Bohart Museum headquarters, Room 1124 of the Academic Surge Building, 455 Crocker Lane, UC Davis campus--as well as outdoors for the two blacklighting displays.

UC Davis entomologists are mourning the passing of Stephen “Steve” Clement of Pullman, Wash., an internationally recognized entomologist, UC Davis triple-alumnus,  Vietnam War hero, and a 30-year USDA-ARS research entomologist last based at Washington State University (WSU), Pullman. 

He died May 4, 2026 at age 81 of pancreatic cancer. 

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The Society for Research on Biological Rhythms (SRBR), headed by president Joanna Chiu, professor and chair of the UC Davis Department of Entomology and Nematology, will host an inaugural World Circadian Day on Wednesday, June 24. 

(See photo gallery)

"Welcome to the 2026 ENT/NEM Retirement Event. Today We Honor Dr. Becky Westerdahl and Dr. Steve Nadler." 

That was the slide presentation that greeted guests as they entered the UC Davis Student Community Center multipurpose room for a retirement program and luncheon honoring the two noted nematologists. 

Can the Ian Grettenberger lab swing a mallet as well--or better--than an insect net?

Agricultural entomologist Grettenberger, associate professor of Cooperative Extension and a member of the UC Davis Department of Entomology and Nematology (ENT) faculty, and his doctoral student Briley Mullin teamed to win the first-ever Graduate Student-Faculty Retreat Croquet Game.

Doctoral candidate Pallavi Shakya of the lab of nematologist Shahid Siddique, associate professor, UC Davis Department of Entomology and Nematology, won “Best Student/Early Career Talk” at the 36th Symposium of the European Society of Nematologists, held June 1-5 in Egmond aan Zee, The Netherlands.

UC Davis doctoral candidate Madison "Madi" Hendrick will present her exit seminar on "Integrated Pest Management in California Field Crops: Challenges in Alfalfa and Rice" on Friday, June 5.

Her seminar is set for 10 a.m. in 366 Briggs Hall. It also will be on Zoom.  

Hendrick, scheduled to receive her doctorate in June, studies insecticide resistance in alfalfa weevil and tadpole shrimp

Professor David Holway of the UC San Diego Department of Ecology, Behavior and Evolution will speak on "Large-Scale Removal of Introduced Ants as a Test of Community Reassembly" at the UC Davis Department of Entomology and Nematology seminar at 12:10 p.m. Wednesday, May 27 in 122 Briggs Hall.

His seminar also will be on Zoom. The link: https://ucdavis.zoom.us/j/95882849672.

UC Davis scientists and educators helped make the 2026 California Honey Festival "a honey of a festival" at the two-day event celebrated May 16-17 on the Yolo County Fairgrounds, Woodland.

The fairgrounds buzzed with educational and entertaining activities.