UCCE Master Gardeners of San Bernardino County
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UCCE Master Gardeners of San Bernardino County

Posts Tagged: milkweed

How Do Insects, Spiders React to a Partial Solar Eclipse?

A honey bee nectaring on African blue basil during the partial solar eclipse in Vacaville, Calif. (Photo by Kathy Keatley Garvey)

The sky darkens. The temperature drops several degrees. A breeze rustles the leaves of the African blue basil. Dogs bark. And off in the distance, a hawk shrills. A partial solar eclipse is about to happen in Vacaville, Calif. I am watching the...

Posted on Monday, August 21, 2017 at 2:05 PM
Tags: eclipse (1), Eric Mussen (1), honey bee (3), milkweed (25), orbweaver (1), praying mantis (3), predator (3), prey (2), spider (1), Tithonia (2)

A Fly, Oh, My!

A female Eristalis stipator (as identified by Martin Hauser of the California Department of Food and Agriculture, foraging on tropical milkweed. (Photo by Kathy Keatley Garvey)

A fly, oh, my! On the approval scale, they don't rank nearly as high as honey bees, but some are often mistaken for them. Take the Eristalis stipator, which belongs to the family Syrphidae, the hover flies. It's about the same size as a honey bee and...

Posted on Wednesday, August 16, 2017 at 5:12 PM

Got Milkweed? Bees Like It, Too!

A male Valley carpenter bee, Xylocopa varipuncta (aka

The Bohart Museum of Entomology at the University of California, Davis, stocks a "Got Milkweed?" t-shirt in its gift shop. In real life, insects "get" milkweed. We all know it's the only host plant of the monarch butterfly--where monarchs lay their...

Posted on Thursday, June 15, 2017 at 3:28 PM

Monarch Sightings in the UC Davis Arboretum: Cause for Celebration

A monarch on milkweed in the UC Davis Arboretum. (Photo by Kathy Keatley Garvey)

What a delight to see. We strolled through milkweed patches in the UC Davis Arboretum Thursday noon and saw them. Monarchs! The monarch butterflies (Danaus plexippus) are returning from their coastal California overwintering sites. And we're getting...

Posted on Friday, May 26, 2017 at 6:28 PM

What Are Those Red and Black Bugs on Milkweed?

Yule ornaments? No, just milkweed bugs about to reproduce. (Photo by Kathy Keatley Garvey)

Got milkweed? Then you probably have milkweed bugs. All summer and into fall, we spotted the familiar reddish, black and white bugs scurrying around on our showy milkweed, Asclepias speciosa, and tropical milkweed, Asclepias curassavica. Showy bugs on...

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