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LinkedInPosts 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, discussed his work at the Bohart Museum of Entomology recent open house on monarchs. He points out that he is a Lepidopterist but "not a monarch...
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)
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 Rancho Cordova and Suisun monitoring sites since 1999.
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 it to our pollinator garden. Did the eggs ever hatch? Did we ever get caterpillars, chrysalids and adults? No. Zero. Zilch. Nada. Why?...
A monarch laying eggs in a Vacaville retail nursery on Sept. 4, 2019. (Photo by Kathy Keatley Garvey)
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 Atlas and its conservation plans. Professor Thorp (1933-2019), a 30-year member of the Department of Entomology and Nematology and a worldwide...
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 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)
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)
Western Monarch Population Increase: What Does This Mean?
What does the increase in the overwintering Western monarch population along coastal California mean? The number of Danaus plexippus sightings showed a 100-fold increase as compared to last year, according to the Thanksgiving count initiated by the Xerces Society...
Overwintering monarchs at Pacific Grove, California, 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)
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 counting the Western monarch population at overwintering sites along the California coast. It all began Saturday. An unofficial count estimates...
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)
