Bug Squad

Bumble bee on bull thistle at Bodega Bay

UC ANR is renovating its website. 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/blogcore/archive.cfm

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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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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