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Posts Tagged: Xerces

Art Shapiro: Sharing Information on Monarch Butterflies

UC Davis distinguished professor emeritus Art Shapiro, who's been monitoring the butterfly populations of central California since 1972,...

UC Davis distinguished professor emeritus Art Shapiro explains some of his research documentation at the Bohart Museum of Entomology open house on monarchs. (Photo by Kathy Keatley Garvey)
UC Davis distinguished professor emeritus Art Shapiro explains some of his research documentation at the Bohart Museum of Entomology open house on monarchs. (Photo by Kathy Keatley Garvey)

UC Davis distinguished professor emeritus Art Shapiro explains some of his research documentation at the Bohart Museum of Entomology open house on monarchs. (Photo by Kathy Keatley Garvey)

Professor Louie Yang (left) of the UC Davis Department of Entomology and Nematology, chats with UC Davis distinguished professor emeritus Art Shapiro of the Department of Evolution and Ecology during the Bohart Museum's open house on monarchs. (Photo by Kathy Keatley Garvey)
Professor Louie Yang (left) of the UC Davis Department of Entomology and Nematology, chats with UC Davis distinguished professor emeritus Art Shapiro of the Department of Evolution and Ecology during the Bohart Museum's open house on monarchs. (Photo by Kathy Keatley Garvey)

Professor Louie Yang (left) of the UC Davis Department of Entomology and Nematology, chats with UC Davis distinguished professor emeritus Art Shapiro of the Department of Evolution and Ecology during the Bohart Museum's open house on monarchs. (Photo by Kathy Keatley Garvey)

This document provided by Xerces Society of Invertebrate Conservation shows the number of monarchs overwintering along the California coast since 1997. Source: its annual Thanksgiving season count.
This document provided by Xerces Society of Invertebrate Conservation shows the number of monarchs overwintering along the California coast since 1997. Source: its annual Thanksgiving season count.

This document provided by Xerces Society of Invertebrate Conservation shows the number of monarchs overwintering along the California coast since 1997. Source: its annual Thanksgiving season count.

These are the monarch sightings that UC Davis distinguished professor Art Shapiro has recorded in his North and West Sacramento monitoring sites since 1999.
These are the monarch sightings that UC Davis distinguished professor Art Shapiro has recorded in his North and West Sacramento monitoring sites since 1999.

These are the monarch sightings that UC Davis distinguished professor Art Shapiro has recorded in his North and West Sacramento monitoring sites since 1999.

These are the monarch sightings that UC Davis distinguished professor Art Shapiro has recorded in his Rancho Cordova and Suisun monitoring sites since 1999.
These are the monarch sightings that UC Davis distinguished professor Art Shapiro has recorded in his Rancho Cordova and Suisun monitoring sites since 1999.

These are the monarch sightings that UC Davis distinguished professor Art Shapiro has recorded in his Rancho Cordova and Suisun monitoring sites since 1999.

Posted on Monday, November 13, 2023 at 12:00 AM
Focus Area Tags: Environment, Innovation, Natural Resources

That Milkweed You Buy at Retail Nurseries May Contain Pesticides

It's Sept. 4, 2019. We notice a monarch butterfly laying eggs on milkweed in an enclosed Vacaville retail nursery. We purchase the plant and add...

A monarch laying eggs in a Vacaville retail nursery on Sept. 4, 2019. (Photo by Kathy Keatley Garvey)
A monarch laying eggs in a Vacaville retail nursery on Sept. 4, 2019. (Photo by Kathy Keatley Garvey)

A monarch laying eggs in a Vacaville retail nursery on Sept. 4, 2019. (Photo by Kathy Keatley Garvey)

Posted on Wednesday, August 31, 2022 at 11:16 AM
Focus Area Tags: Economic Development, Environment, Innovation, Natural Resources

Saving California's Bumble Bees: Become a Citizen Scientist

The late Robbin Thorp, UC Davis distinguished emeritus professor of entomology, would have been proud of the California Bumble Bee...

A yellow-faced bumble bee, Bombus vosnesenskii, foraging on a tower of jewels, Echium wildpretii. (Photo by Kathy Keatley Garvey)
A yellow-faced bumble bee, Bombus vosnesenskii, foraging on a tower of jewels, Echium wildpretii. (Photo by Kathy Keatley Garvey)

A yellow-faced bumble bee, Bombus vosnesenskii, foraging on a tower of jewels, Echium wildpretii. (Photo by Kathy Keatley Garvey)

A yellow-faced bumble bee, Bombus vosnesenskii, foraging on foxgloves. (Photo by Kathy Keatley Garvey)
A yellow-faced bumble bee, Bombus vosnesenskii, foraging on foxgloves. (Photo by Kathy Keatley Garvey)

A yellow-faced bumble bee, Bombus vosnesenskii, foraging on foxgloves. (Photo by Kathy Keatley Garvey)

A black-tailed bumble bee, Bombus melanopygus, foraging on a rose. (Photo by Kathy Keatley Garvey)
A black-tailed bumble bee, Bombus melanopygus, foraging on a rose. (Photo by Kathy Keatley Garvey)

A black-tailed bumble bee, Bombus melanopygus, foraging on a rose. (Photo by Kathy Keatley Garvey)

A male  black-tailed bumble bee, Bombus melanopygus, foraging on a lavender. (Photo by Kathy Keatley Garvey)
A male black-tailed bumble bee, Bombus melanopygus, foraging on a lavender. (Photo by Kathy Keatley Garvey)

A male black-tailed bumble bee, Bombus melanopygus, foraging on a lavender. (Photo by Kathy Keatley Garvey)

Bombus crotchii foraging in the UC Davis Arboretum and Public Garden. It has been named an endangered species due to the impacts of pesticides, climate change, and human development. (Photo by Allan Jones)
Bombus crotchii foraging in the UC Davis Arboretum and Public Garden. It has been named an endangered species due to the impacts of pesticides, climate change, and human development. (Photo by Allan Jones)

Bombus crotchii foraging in the UC Davis Arboretum and Public Garden. It has been named an endangered species due to the impacts of pesticides, climate change, and human development. (Photo by Allan Jones)

Posted on Wednesday, May 25, 2022 at 2:01 PM
Focus Area Tags: Agriculture, Economic Development, Environment, Innovation, Natural Resources, Yard & Garden

Western Monarch Population Increase: What Does This Mean?

What does the increase in the overwintering Western monarch population along coastal California mean? The number...

Overwintering monarchs at Pacific Grove, California, in 2016. (Photo by Kathy Keatley Garvey)
Overwintering monarchs at Pacific Grove, California, in 2016. (Photo by Kathy Keatley Garvey)

Overwintering monarchs at Natural Bridges State Park, Santa Cruz, in 2016. (Photo by Kathy Keatley Garvey)

This migratory male monarch, released Aug. 28, 2016 by Steve Johnson of Ashland as part of the David James' citizen scientist project, fluttered into Vacaville, Calif. on Sept. 5, 2016, on its way to an overwintering site along coastal California. (Photo by Kathy Keatley Garvey)
This migratory male monarch, released Aug. 28, 2016 by Steve Johnson of Ashland as part of the David James' citizen scientist project, fluttered into Vacaville, Calif. on Sept. 5, 2016, on its way to an overwintering site along coastal California. (Photo by Kathy Keatley Garvey)

This migratory male monarch, released Aug. 28, 2016 by Steve Johnson of Ashland as part of the David James' citizen scientist project, fluttered into Vacaville, Calif. on Sept. 5, 2016, on its way to an overwintering site along coastal California. (Photo by Kathy Keatley Garvey)

Posted on Friday, December 10, 2021 at 4:18 PM
Focus Area Tags: Agriculture, Economic Development, Environment, Innovation, Natural Resources

Monarch Population May Be 'Fluttering Back'

Let the count begin! Researchers and volunteers in a three-week project headed by the Xerces Society for Invertebrate Conservation are now...

A cluster of monarchs  overwintering in an 80-foot-high  eucalyptus tree at the Natural Bridges State Park, Santa Cruz, on Nov. 14, 2016. (Photo by Kathy Keatley Garvey)
A cluster of monarchs overwintering in an 80-foot-high eucalyptus tree at the Natural Bridges State Park, Santa Cruz, on Nov. 14, 2016. (Photo by Kathy Keatley Garvey)

A cluster of monarchs overwintering in an 80-foot-high eucalyptus tree at the Natural Bridges State Park, Santa Cruz, on Nov. 14, 2016. (Photo by Kathy Keatley Garvey)

Posted on Thursday, November 18, 2021 at 3:52 PM
Focus Area Tags: Agriculture, Environment, Innovation, Natural Resources

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