Capitol Corridor
University of California
Capitol Corridor

Posts Tagged: overwintering monarchs

How Little We Know About Monarchs...

How little we know about monarch butterflies, Danaus plexippus... And how long misinformation can linger... Take the news about the overwintering...

Monarchs overwintering in the Natural Bridges State Park, Santa Cruz, in 2016. (Photo by Kathy Keatley Garvey)
Monarchs overwintering in the Natural Bridges State Park, Santa Cruz, in 2016. (Photo by Kathy Keatley Garvey)

Monarchs overwintering in the Natural Bridges State Park, Santa Cruz, in 2016. (Photo by Kathy Keatley Garvey)

Posted on Tuesday, January 25, 2022 at 4:02 PM
Focus Area Tags: Environment, Innovation, Natural Resources

The King of the Butterflies on the Queen of Annuals

Is there anything more beautiful than a monarch butterfly, Danaus plexippus, nectaring on a Mexican sunflower (Tithonia rotundifolia)...

A monarch butterfly sipping nectar from a Mexican sunflower, Tithonia rotundifola, in Vacaville, Calif., on Oct. 30. (Photo by Kathy Keatley Garvey)
A monarch butterfly sipping nectar from a Mexican sunflower, Tithonia rotundifola, in Vacaville, Calif., on Oct. 30. (Photo by Kathy Keatley Garvey)

A monarch butterfly sipping nectar from a Mexican sunflower, Tithonia rotundifola, in Vacaville, Calif., on Oct. 30. (Photo by Kathy Keatley Garvey)

A monarch butterfly spreads its wings on a Mexican sunflower, Tithonia rotundifola, in Vacaville, Calif., on Oct. 30. (Photo by Kathy Keatley Garvey)
A monarch butterfly spreads its wings on a Mexican sunflower, Tithonia rotundifola, in Vacaville, Calif., on Oct. 30. (Photo by Kathy Keatley Garvey)

A monarch butterfly spreads its wings on a Mexican sunflower, Tithonia rotundifola, in Vacaville, Calif., on Oct. 30. (Photo by Kathy Keatley Garvey)

As striking as a stain glass window, the monarch takes flight. (Photo by Kathy Keatley Garvey)
As striking as a stain glass window, the monarch takes flight. (Photo by Kathy Keatley Garvey)

As striking as a stain glass window, the monarch takes flight. (Photo by Kathy Keatley Garvey)

Posted on Friday, November 6, 2020 at 3:42 PM
Focus Area Tags: Environment, Natural Resources, Yard & Garden

Monarchs: You Can't Save Them All

Monarchs: you can't save them all. It was a dismal year in Vacaville (and other parts of California) for monarch-rearing. Of the 10 caterpillars we...

A monarch chrysalis that didn't make it. This image was taken Sept. 15. Said Art Shapiro of UC Davis:
A monarch chrysalis that didn't make it. This image was taken Sept. 15. Said Art Shapiro of UC Davis: "The intersegmental membranes are showing. Whatever caused that, it opens the door to severe water loss, so the pupa will probably die." (Photo by Kathy Keatley Garvey)

A monarch chrysalis that didn't make it. This image was taken Sept. 15. Said Art Shapiro of UC Davis: "The intersegmental membranes are showing. Whatever caused that, it opens the door to severe water loss, so the pupa will probably die." (Photo by Kathy Keatley Garvey)

This is what the non-viable monarch chrysalis looked like on Oct. 10. (Photo by Kathy Keatley Garvey)
This is what the non-viable monarch chrysalis looked like on Oct. 10. (Photo by Kathy Keatley Garvey)

This is what the non-viable monarch chrysalis looked like on Oct. 10. (Photo by Kathy Keatley Garvey)

Lynn Epstein, UC Davis emeritus professor of plant pathology, captured this image of the monarch chrysalis on Nov. 2 with a Leica DVM6 microscope.
Lynn Epstein, UC Davis emeritus professor of plant pathology, captured this image of the monarch chrysalis on Nov. 2 with a Leica DVM6 microscope.

Lynn Epstein, UC Davis emeritus professor of plant pathology, captured this image of the monarch chrysalis on Nov. 2 with a Leica DVM6 microscope.

Monarchs overwintering at Natural Bridges State Park on Nov. 14, 2016. (Photo by Kathy Keatley Garvey)
Monarchs overwintering at Natural Bridges State Park on Nov. 14, 2016. (Photo by Kathy Keatley Garvey)

Monarchs overwintering at Natural Bridges State Park on Nov. 14, 2016. (Photo by Kathy Keatley Garvey)

Posted on Monday, November 19, 2018 at 10:00 AM
Focus Area Tags: Agriculture, Environment, Yard & Garden

David James' Incredible Research on Migratory Monarchs

Newly published research by entomologist David James of Washington State University, Pullman, Wash., in the Journal of the Lepidopterists' Society...

This male monarch, released by citizen scientist Steve Johnson of Ashland on Aug. 28, 2016, fluttered into Vacaville, Calif., on Sept. 5, a 457-kilometer  journey. (Photo by Kathy Keatley Garvey)
This male monarch, released by citizen scientist Steve Johnson of Ashland on Aug. 28, 2016, fluttered into Vacaville, Calif., on Sept. 5, a 457-kilometer journey. (Photo by Kathy Keatley Garvey)

This male monarch, released by citizen scientist Steve Johnson of Ashland on Aug. 28, 2016, fluttered into Vacaville, Calif., on Sept. 5, a 457-kilometer journey. (Photo by Kathy Keatley Garvey)

The male monarch, No. 6093, sips nectar from a Mexican sunflower, Tithonia on Sept. 5, 2016. It traveled 457 kilometers from Ashland to Vacaville. (Photo by Kathy Keatley Garvey)
The male monarch, No. 6093, sips nectar from a Mexican sunflower, Tithonia on Sept. 5, 2016. It traveled 457 kilometers from Ashland to Vacaville. (Photo by Kathy Keatley Garvey)

The male monarch, No. 6093, sips nectar from a Mexican sunflower, Tithonia on Sept. 5, 2016. It traveled 457 kilometers from Ashland to Vacaville. (Photo by Kathy Keatley Garvey)

A feast! This migrating monarch from Ashland, Ore., sipped nectar from a butterfly bush, Buddleia davidii in Vacaville, Calif. (Photo by Kathy Keatley Garvey)
A feast! This migrating monarch from Ashland, Ore., sipped nectar from a butterfly bush, Buddleia davidii in Vacaville, Calif. (Photo by Kathy Keatley Garvey)

A feast! This migrating monarch from Ashland, Ore., sipped nectar from a butterfly bush, Buddleia davidii in Vacaville, Calif. (Photo by Kathy Keatley Garvey)

WSU entomologist David James, wearing a monarch t-shirt, with citizen-scientist inmates at Washington State Penitentiary, Walla Walla.
WSU entomologist David James, wearing a monarch t-shirt, with citizen-scientist inmates at Washington State Penitentiary, Walla Walla.

WSU entomologist David James, wearing a monarch t-shirt, with citizen-scientist inmates at Washington State Penitentiary, Walla Walla.

Monarchs overwintering in the Natural Bridges State Park, Santa Cruz, in 2016. (Photo by Kathy Keatley Garvey)
Monarchs overwintering in the Natural Bridges State Park, Santa Cruz, in 2016. (Photo by Kathy Keatley Garvey)

Monarchs overwintering in the Natural Bridges State Park, Santa Cruz, in 2016. (Photo by Kathy Keatley Garvey)

Posted on Monday, June 25, 2018 at 6:22 PM
Focus Area Tags: Agriculture, Environment, Food, Health, Innovation, Yard & Garden

It Is Not a Good Time to Be a Butterfly

It is not a good time to be a butterfly. Especially if you're a monarch butterfly that eclosed on Jan. 5 in cold and rainy Vacaville, Calif. while...

A female monarch that eclosed on Jan. 5 perches on a finger, next to a garden flag depicting a male monarch and a worker honey bee. (Photo by Kathy Keatley Garvey)
A female monarch that eclosed on Jan. 5 perches on a finger, next to a garden flag depicting a male monarch and a worker honey bee. (Photo by Kathy Keatley Garvey)

A female monarch that eclosed on Jan. 5 perches on a finger, next to a garden flag depicting a male monarch and a worker honey bee. (Photo by Kathy Keatley Garvey)

Close-up of a monarch that eclosed on Jan. 5, 2017. (Photo by Kathy Keatley Garvey)
Close-up of a monarch that eclosed on Jan. 5, 2017. (Photo by Kathy Keatley Garvey)

Close-up of a monarch that eclosed on Jan. 5, 2017. (Photo by Kathy Keatley Garvey)

Posted on Monday, January 9, 2017 at 5:54 PM

Read more

 
E-mail
 
Webmaster Email: kmchurchill@ucanr.edu