Bug Squad

The Sting. (c) Kathy Keatley Garvey)
The Bug Squad blog, by Kathy Keatley Garvey of the University of California, Davis, is a daily (Monday-Friday) blog launched Aug. 6, 2008. It is about the wonderful world of insects and the entomologists who study them. Blog posts are archived at https://my.ucanr.edu/blogs/bugsquad/index.cfm. The story behind "The Sting" is here: https://my.ucanr.edu/blogs/blogcore/postdetail.cfm?postnum=7735.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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A monarch egg. Soon it will hatch. (Photo by Kathy Keatley Garvey)
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Magical, Miraculous Monarch Moments

August 21, 2020
When you observe a monarch butterfly laying eggs on your milkweed--and see the predators and parasitoids circling in anticipation--act fast if you want those eggs to develop into adults. Only about 10 percent of monarch eggs make it to adults, scientists estimate.
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A Gulf Fritillary butterfly, Agraulis vanillae, nectaring on a Mexican sunflower, Tithonia rotundifolia, in Vacaville, Calif. (Photo by Kathy Keatley Garvey)
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Gulf Fritillary: Spreading a Little Joy

August 20, 2020
It's Thursday afternoon, Aug. 20, and it seems like a good time to run a photo of a Gulf Fritilliary. Because it just is. It is a joy to see, especially when joy seems elusive as out-of-control wildfires ravage California.
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A Western tiger swallowtail, Papilo rutulus, lands on a Mexican sunflower, Tithonia rotundifolia. (Photo by Kathy Keatley Garvey)
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Eye on the Tiger

August 19, 2020
So here, you are, a Western Tiger Swallowtail sipping nectar from a Mexican sunflower. You are a Papilo rutulus. And your menu choice? A delicate orange beauty from the sunflower family: a Tithonia rotundifolia. Ah, the sky is blue, the nectar is excellent, and all is RIGHT with the world.
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A honey bee stuck in milkweed pollinia. This plant is the narrowleaf milkweed,Asclepias fascicularis. (Photo by Kathy Keatley Garvey)
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Milkweed: A Honey Bee's Floral Trap

August 17, 2020
It is not a "pretty sight," as Ernest Hemingway might have said, to see a honey bee stuck like glue--nature's "gorilla glue?"-in the reproductive chamber of a milkweed. It's a trap, a floral trap.
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