Division of Agriculture and Natural Resources
Division of Agriculture and Natural Resources
Division of Agriculture and Natural Resources
University of California
Division of Agriculture and Natural Resources

Posts Tagged: Art Shapiro

Gulf Frit and Tithonia: Showstoppers

The Gulf Fritillary, Agraulis vanillae, and the Mexican sunflower, Tithonia rotundifola, seem made for one another. Both are a showy orange. Both are show-stoppers. And both attract a photographer's eye. Especially when a Gulf Frit flutters...

A Gulf Fritillary, Agraulis vanillae, fluttering over a Mexican sunflower, Tithonia rotundifola. (Photo by Kathy Keatley Garvey)
A Gulf Fritillary, Agraulis vanillae, fluttering over a Mexican sunflower, Tithonia rotundifola. (Photo by Kathy Keatley Garvey)

A Gulf Fritillary, Agraulis vanillae, fluttering over a Mexican sunflower, Tithonia rotundifola. (Photo by Kathy Keatley Garvey)

Posted on Wednesday, September 4, 2024 at 8:06 PM
Focus Area Tags: Environment, Innovation, Natural Resources, Yard & Garden

A Little Cinderella

In its larval stage, it's a pest of cole crops. As an adult, it's like a little Cinderella. That would be the cabbage white butterfly, Pieris rapae. In the fairy tale, a ragged Cinderella lives with her selfish stepmother and two mean...

A cabbage white butterfly, Pieris rapae, nectaring on lavender in a Vacaville garden. (Photo by Kathy Keatley Garvey)
A cabbage white butterfly, Pieris rapae, nectaring on lavender in a Vacaville garden. (Photo by Kathy Keatley Garvey)

A cabbage white butterfly, Pieris rapae, nectaring on lavender in a Vacaville garden. (Photo by Kathy Keatley Garvey)

Posted on Tuesday, August 13, 2024 at 7:43 PM
Focus Area Tags: Environment, Yard & Garden

Lawn-pocalypse! Surviving Drought

Ah, summer! The season of sunburns, pool parties, and… lawn droughts. If your once lush, green carpet now looks like a crunchy brown doormat, you're not alone. Let's dive into why your yard is staging a dramatic death scene and what you can do to...

Bermuda grass and weeds overtaking drought stressed turf grass.
Bermuda grass and weeds overtaking drought stressed turf grass.

A patch of former lawn, mostly dead, with a few green weeds and Bermudagrass

Posted on Thursday, July 11, 2024 at 3:30 PM
Tags: drought, turf
Focus Area Tags: Yard & Garden

The Heat. The Butterflies. The Butterfly Guru.

Don't expect to see UC Davis distinguished professor emeritus Art Shapiro monitoring butterflies on the 4th of July. There's a good reason why. Shapiro has monitored the butterfly populations of central California since 1972 and maintains a research...

A cabbage white butterfly, Pieris rapae, nectaring on lavender in a Vacaville garden on June 24. Next Wednesday, July 4, promises to be a scorcher at 106 degrees. (Photo by Kathy Keatley Garvey)
A cabbage white butterfly, Pieris rapae, nectaring on lavender in a Vacaville garden on June 24. Next Wednesday, July 4, promises to be a scorcher at 106 degrees. (Photo by Kathy Keatley Garvey)

A cabbage white butterfly, Pieris rapae, nectaring on lavender in a Vacaville garden on June 24. Next Wednesday, July 4, promises to be a scorcher at 106 degrees. (Photo by Kathy Keatley Garvey)

A cabbage white butterfly, Pieris rapae, flutters its wings, ready to fly. (Photo by Kathy Keatley Garvey)
A cabbage white butterfly, Pieris rapae, flutters its wings, ready to fly. (Photo by Kathy Keatley Garvey)

A cabbage white butterfly, Pieris rapae, flutters its wings, ready to fly. (Photo by Kathy Keatley Garvey)

Posted on Friday, June 28, 2024 at 5:22 PM
Focus Area Tags: Environment, Innovation, Natural Resources

Gulf Fritillaries Doing Well

The Gulf Fritillary, Agraulis vanillae, is definitely back from a comeback, at least in the Sacramento, Davis and Vacaville-Fairfield areas. In September of 2009, butterfly guru Art Shapiro, now a UC Davis distinguished professor...

Gulf Fritillary, Agraulis vanillae, foraging on a zinnia in a Vacaville garden. (Photo by Kathy Keatley Garvey)
Gulf Fritillary, Agraulis vanillae, foraging on a zinnia in a Vacaville garden. (Photo by Kathy Keatley Garvey)

Gulf Fritillary, Agraulis vanillae, foraging on a zinnia in a Vacaville garden. (Photo by Kathy Keatley Garvey)

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