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Posts Tagged: conservation
UC Davis Professor Louie Yang: On Conserving the Western Monarch Population
"Recent studies have continued to shed light on the ecology of monarch butterflies (Danaus plexippus) in western North America. These studies have documented a declining overwintering population over several decades, punctuated by unexpected variability...
A monarch leaving a Mexican sunflower, Tithonia rotundifola. This image was taken in a pollinator garden in Vacaville. (Photo by Kathy Keatley Garvey)
A male monarch nectaring on a Mexican sunflower, Tithonia rotundifola, in Vacaville. (Photo by Kathy Keatley Garvey)
Monarch Butterflies: Closer to Extinction
It was a good news/bad news/sad news kind of day on July 21 when the International Union for Conservation of Nature (IUCN) announced that the migratory monarch butterfly (Danaus plexippus) is now on its "Red List of Threatened...
A monarch caterpillar munching away on its host plant, milkweed, in a Vacaville, Calif., garden. (Photo by Kathy Keatley Garvey)
A monarch chrysalis attached to the underside of a bird feeder. (Photo by Kathy Keatley Garvey)
A male monarch butterfly spreads its wings. (Photo by Kathy Keatley Garvey)
A female monarch butterfly spreads its wings. (Photo by Kathy Keatley Garvey)
UC Davis Seminar: 'Insect Conservation in an Uncertain Future'
There may or may not be a silver lining for conservationists trying to save the threatened Oregon silverspot butterfly, but postdoctoral research scholar Erica Henry, of Washington State University (WSU), is among those trying to do so. Henry...
WSU postdoctoral research scholar Erica Henry, shown here on a field trip, will present a UC Davis seminar on March 2 on "Insect Conservation in an Uncertain Future."
Do Forests Play a Role in Bumble Bee Life History?
Do forests play a role in bumble bee life history? Yes, says UC Davis alumnus and research ecologist John Mola and his colleagues in a newly published article, "The Importance of Forests in Bumble Bee Biology and Conservation," the cover...
The cover image of BioScience by Diego Delso shows a Bombus terrestris, a buff-tailed bumble bee that is one of the most numerous bumble bee species in Europe.
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...
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)
