Cooperative Extension San Joaquin County
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Cooperative Extension San Joaquin County

Posts Tagged: Rachel Vannette

What's New in Entomology/Nematology Seminars

Entomologist Fiona Goggin of the University of Arkansas studies plant defenses. A UC Davis alumnus, she will return to the campus Jan. 17 to present a seminar. Here aphids suck out plant juices in a rose. (Photo by Kathy Keatley Garvey)

The UC Davis Department of Entomology and Nematology is gearing up for a plethora of seminars for the winter quarter--ranging from understanding insect behavior to understanding biodiversity. The department launched the seminars  Wednesday, Jan. 10...

Ash Zemenick: 'Do Flower Visitors Network with Floral Microbes?'

Flowers bloom at this high elevation meadow, which was  community ecologist Ash Zemenick's field study site in the Tahoe National Forest. (Photo by Ash Zemenick)

Have you ever thought about all those diverse pollinators you see foraging on flowers? Have you ever considered them as important vectors of floral microbes? Well, they are! Community ecologist Ash Zemenick, formerly in the graduate student program of...

Intriguing Topic: Social Evolution in Social Insects

A close encounter between a honey bee and a velvety tree ant (Liometopum occidentale) on a lavender blossom; both are social insects. (Photo by Kathy Keatley Garvey)

Intriguing topic: social evolution in social insects... The UC Davis Department of Entomology and Nematology has booked associate professor of biology Tim Linksvayer of the University of Pennsylvania for a seminar on “Genomic Signatures of...

Posted on Monday, October 2, 2017 at 5:37 PM

What Attracts Bees to Blossoms? A Surprising Discovery by UC Davis Ecologist Rachel Vannette

A honey bee heads toward a lupine blossom. It's not just the nectar she's scented. UC Davis community ecologist Rachel Vannette has just published a paper in New Phytologist journal that shows nectar-living microbes release scents or volatile compounds, too, and can influence a pollinator's foraging preference. (Photo by Kathy Keatley Garvey)

You're watching honey bees foraging in a field.  They buzz toward a blossom, sip nectar, and then head for another blossom. Typical, right? But there's much more going on than you think. It's not just the nectar that she's scented. UC Davis...

Posted on Thursday, September 28, 2017 at 5:00 PM

Surprising Research Results: What the Microbes in Nectar Revealed

Researchers studied the microbes in the nectar of the sticky monkeyflower, Mimulus auranticus. (Photo by Kathy Keatley Garvey)

It's surprising what the microbes in nectar can reveal. Take the nectar of the sticky monkeyflower, Mimulus auranticus. UC Davis community ecologist Rachel Vannette and colleague Tadashi Fukami of Stanford University decided to examine microbial...

Posted on Monday, June 12, 2017 at 5:03 PM

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