Email Print Site Map
Cooperative Extension San Joaquin County
University of California
Cooperative Extension San Joaquin County

Posts Tagged: Robbin Thorp

No Sweat? Yes, Sweat!

Sweat bees from the genus  Lasioglossum on an Iceland poppy. This image was taken with a NIkon D800 with a 60mm macro lens. (Photo by Kathy Keatley Garvey)

Ever seen a mob of tiny sweat bees? The bees below, from the genus Lasioglossum  (as identified by native pollinator specialist Robbin Thorp, distinguished emeritus professor of entomology at the University of California, Davis), just about...

Posted on Wednesday, May 25, 2016 at 5:13 PM

Why This Bumble Bee Is a Treasure

A male Bombus vandykei,also known as the Van Dyke Bumble Bee, forages on lavender in Vacaville, Calif. on May 17. (Photo by Kathy Keatley Garvey)

It's so blond that all you can say is "Wow!" It's sort of like the Reese Witherspoon of bumble bees. But then the gender doesn't match. Okay, the Owen Wilson of bumble bees. The male Bombus vandykei, commonly called "The Van Dyke Bumble Bee,"  is a...

Posted on Wednesday, May 18, 2016 at 5:59 PM

The Day the First Bumble Bee Arrived

Yellow-faced bumble bee (Bombus vosnesenskii), foraging on verbena. (Photo by Kathy Keatley Garvey)

When the monarchs return to southern California and central Mexico to overwinter, the residents rejoice. When the bumble bees emerge from their nests in the spring, we, too, rejoice. They are like the swallows of Capistrano and the monarchs of Pacific...

Posted on Monday, May 2, 2016 at 5:08 PM

The Place to 'Bee' on Saturday, April 9

A male Valley carpenter bee, Xylocopa varipuncta, on a tower of jewels (Echium wildpretii). (Photo by Kathy Keatley Garvey)

You're likely to see many species of bees at the Häagen-Dazs Honey Bee Haven open house from 11 a.m. to 2 p.m. on Saturday, April 9 on Bee Biology Road, University of California, Davis. The half-acre bee garden, operated by the UC Davis Department...

Posted on Wednesday, April 6, 2016 at 6:44 PM

What Color Is Your Pollen?

Yellow-faced bumble bee, Bombus vosnesenskii, packing red pollen as it heads for an Echium (Pride of Madeira) in Vallejo. (Photo by Kathy Keatley Garvey)

The next time you see a yellow-faced bumble bee (Bombus vosnesenskii) packing pollen, check out the color. Last Saturday on an outing in Vallejo overlooking the Carquinez Straits, we noticed a yellow-faced bumble bee on an Echium candicans (Pride of...

Posted on Monday, April 4, 2016 at 5:13 PM

Next 5 stories | Last story

 
E-mail
 
Webmaster Email: mdhachman@ucdavis.edu