Cooperative Extension, Sutter-Yuba Counties
University of California
Cooperative Extension, Sutter-Yuba Counties

Posts Tagged: Robbin Thorp

Landmark Book Addresses California Bees, Blooms

This is a native bumble bee, Bombus californicus, on blanketflower (Gaillardia). (Photo by Kathy Keatley Garvey)

If you're looking for a holiday gift for family and friends--or maybe yourself--think bees and blooms. Specifically, California bees and blooms. Even more specifically, undomesticated bees (that is, not honey bees). Did you know that: Of the 4000...

Posted on Tuesday, December 6, 2016 at 1:48 PM

How Climate Change Affects Bees

This ceramic-mosaic sculpture of a worker bee, by self-described

Have you ever wondered how climate change affects bees? Honey bees and native bees? You can find out Wednesday, Oct. 12 at a program on "Bees and Climate Change” at the Häagen-Dazs Honey Bee Haven, located on Bee Biology Road, west of the...

Posted on Wednesday, October 5, 2016 at 5:36 PM

Know Your Native Bees: Here's How!

Female sweat bee, Svastra obliqua expurgate, on purple coneflower, Echinacea purpurea. (Photo by Kathy Keatley Garvey)

Do you know your native bees? Can you distinguish a sweat bee from a leafcutting bee from a cuckoo bee from a mining bee? No sweat? Or, are you...ahem...sweating the answer?  You can learn more about native bees at a special presentation on...

Posted on Monday, August 22, 2016 at 6:48 PM

Drama in the Pollinator Patch

A pollen-packing female longhorned bee, probably Melissodes agilis (as identified by Robbin Thorp, emeritus professor of entomology at UC Davis) wants the same flower that the male monarch has claimed. This is a Mexican sunflower, genus Tithonia. (Photo by Kathy Keatley Garvey)

So here's this newly eclosed male monarch trying to sip a little nectar from a Mexican sunflower (Tithonia). A female longhorned bee, probably Melissodes agilis, seeks to claim it. There's no such thing as sharing, especially when nectar is at stake and...

Posted on Wednesday, August 3, 2016 at 4:53 PM

What's Better than Sighting a Bumble Bee?

A newly emerged yellow-faced bumble bee queen, Bombus vosnesenskii, eyes the photographer as it forages on blanket flower (Gaillardia). (Photo by Kathy Keatley Garvey)

What's better than sighting a yellow-faced bumble bee, Bombus vosnesenskii? Well, a newly emerged Bombus vosnesenskii queen. On the last day of June, we spotted this fresh queen-looking foraging on our blanket flower (Gaillardia). Her jet-black color,...

Posted on Friday, July 1, 2016 at 1:16 PM

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