Cooperative Extension San Joaquin County
University of California
Cooperative Extension San Joaquin County

Posts Tagged: Robbin Thorp

Heaven Can Wait

What do you mean, I'm too big?

They danced in it, rolled in it, and bathed in it. The honey bees just couldn’t get enough of the rock purslane (Calandrinia grandiflora).  Last week when we visited Vacaville’s El Rancho Nursery and...

What do you mean, I'm too big?
What do you mean, I'm too big?

A honey bee can't wait for the Calandrinia grandiflora to open. (Photo by Kathy Keatley Garvey)

Sharing
Sharing

Two honey bees, packed with red pollen, share the same flower. (Photo by Kathy Keatley Garvey)

Flight of the honey bee
Flight of the honey bee

A honey bee exits the rock purslane flower and heads for another one. (Photo by Kathy Keatley Garvey)

Posted on Monday, September 29, 2008 at 6:10 PM

No Sweat!

Sweat bee

Okay, everybody in the pool! That means bees, too? It does.  Sweat bees. You may have noticed the tiny bees--common name “sweat bees” from the family Halictidae--in your swimming pool or...

Sweat bee
Sweat bee

This is a Lasioglossum (Dialictus) sp. female, as identified by emeritus professor and native pollinator researcher Robbin Thorp of UC Davis. (Photo by Kathy Keatley Garvey)

Posted on Thursday, September 18, 2008 at 1:29 PM
Tags: Lasioglossum (6), Robbin Thorp (232), sweat bee (18)

Build It And They Will Come

Bee block

Build it and they will come. Baseball’s “Field of Dreams?” No, a bee nesting block.  Think "bee condo." It’s an artificial nesting site made of wood and drilled...

Bee block
Bee block

This is a bee nesting block built to attract native pollinators. (Photo by Kathy Keatley Garvey)

Leafcutter bee
Leafcutter bee

A female leafcutting bee heads for the bee nesting block. The holes are of different diameters and depths to attract a greater diversity of native bees.(Photo by Kathy Keatley Garvey)

In flight
In flight

Leafcutter bees are just a few of the native bees that use a bee nesting block. The block faces the morning sun so that bees can warm themselves up to flight temperature. (Photo by Kathy Keatley Garvey)

Posted on Tuesday, September 9, 2008 at 2:45 PM

Cuckoo! Cuckoo! Cuckoo!

Cuckoo bee

We've all heard of the cuckoo clock. And most of us have heard of the  cuckoo bird (Cuculus canorus), which lays its eggs in the nest of birds of other species.  But the cuckoo bee? Yes, there is a cuckoo bee. The female lays her eggs in the...

Cuckoo bee
Cuckoo bee

This floral visitor is a cuckoo bee, "probably the genus Triepeolus (maybe Epeolus) and probably a male," said UC Davis emeritus professor Robbin Thorp. (Photo by Kathy Keatley Garvey)

Posted on Monday, September 8, 2008 at 1:21 PM
Tags: cuckoo bee (5), Robbin Thorp (232), Triepeolus (1)

If I Were a Carpenter...Bee

Male Carpenter Bee

“I’ve got black bumblebees buzzing around our backyard like crazy,” the caller said. “They’re loud. Very loud. They’re dive-bombing and scaring the cat and dog. I’ve never seen anything like...

Male Carpenter Bee
Male Carpenter Bee

This male carpenter bee (Xylocopa tabaniformis orpifex Smith NB) visits salvia (sage). Photo by Kathy Keatley Garvey)

Bumblebee
Bumblebee

A bumblebee (Bombus vosnesenskii) visits a flower in the UC Davis Arboretum. (Photo by Kathy Keatley Garvey)

Posted on Thursday, August 14, 2008 at 6:36 PM
Tags: bumblebees (1), carpenter bees (8), pest (1), pollinators (29), Robbin Thorp (232)

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