New Year’s Count of Western Monarchs Confirms Decline, Trends Seen in Previous Years
Published on February 5, 2019
Overall, the count data revealed an average decrease of 38% between the Thanksgiving and New Year’s counts.
Monarch Butterflies in Western North America in Jeopardy
Published on January 17, 2019
Population of monarchs overwintering in California at lowest level ever recorded Media Contacts: Emma Pelton, Endangered Species Conservation Biologist; email@example.com, (971) 533-7245 Sarina Jepsen, Endangered Species Program Director; firstname.lastname@example.org, (971) 244-3727 PORTLAND, Ore.; Thursday, 1/17/19—The population of monarch butterflies overwintering in California has fallen to the lowest level ever recorded. Surveys done by volunteers with Read more …
Record Low Number of Overwintering Monarch Butterflies in California—They Need Your Help!
We urge you to join us and our colleagues in the western monarch science and conservation community in taking meaningful, swift action to help save western monarchs.
Pollinator Conservation Program Digest – November 2018
Published on December 3, 2018
November’s featured staff hail from Minnesota, Indiana, and California, and have been conducting training and outreach events, helping General Mills to implement their plan to plant 3,300 acres of pollinator habitat, and monitoring farm habitat plantings in the San Joaquin Valley.
Early Thanksgiving Counts Show a Critically Low Monarch Population in California
Published on November 29, 2018
The California overwintering population has been reduced to less than 0.5% of its historical size, and has declined by 86% compared to 2017. While western monarchs are facing unprecedented challenges right now, there is still hope that we can recover the population if we work quickly, strategically, and together.
Western Monarch Numbers Expected to Be Low this Year
Published on November 15, 2018
You may be asking “What can I do to help the monarch?” Besides protecting habitat, avoiding pesticide use, and planting gardens, another way is to contribute monarch and milkweed data to Xerces-led citizen science efforts—namely, the Western Monarch Thanksgiving Count and the Western Monarch Milkweed Mapper.
Pollinator Conservation Program Digest – October 2018
Published on October 23, 2018
Select updates from our team of restoration ecologists, entomologists, plant ecologists, and researchers.
Keeping the Lights Burning: The Status of Fireflies in the United States and Canada
Published on October 1, 2018
If there is one thing we have discovered during our assessment effort, it is that there is still much to be learned about the world of fireflies. Xerces will continue to seek a better understanding of these enchanting animals and how best to protect them. May their lights shine on for their sakes, and for ours.
Celebrating the Legacy of Rachel Carson
Published on September 27, 2018
The environmental complexities Rachel Carson illuminated in Silent Spring are only part of her far-reaching impact. Her raw determination, even in the face of severe illness, and her propensity for breaking barriers, provide a compelling example for environmentalists. May we all continue the fight for the well-being of invertebrates, ecosystems, and our world.
Unblinded by Science
Published on April 13, 2018
The Xerces Society has become well-known for our publications, trainings, and for the acres of habitat we’ve worked to protect and restore. What is often less visible is the scientific work our staff are engaged in which underpins these efforts. More than two-thirds of our staff are scientists with diverse backgrounds and expertise, who are Read more …
New Research Confirms Decline in Western Freshwater Mussels
Published on October 27, 2017
When we talk about native freshwater mussels (not the invasive zebra mussels you’ve heard so much about), we often start by mentioning how obscure they are, that they look like rocks and live in places where they go largely unseen. It’s true that freshwater mussels aren’t as showy as butterflies, or as celebrated as bees, Read more …
Expanding Our Understanding of Pesticide Impacts on Invertebrates
Published on April 28, 2017
In an effort to keep up with the constantly expanding information available about pesticides and their impacts on pollinators and other invertebrates, the Xerces Society created the Impacts of Pesticides on Invertebrates database (pesticideimpacts.org). The database is a collection of summaries of recent research articles; it does not include the articles themselves, but does provide Read more …
Obligate Mutualism Blooms in the Desert
Published on April 18, 2017
Tikaboo Valley, Nevada. Home of the Extraterrestrial Highway, the infamous black mailbox, UFO seekers, cattle ranchers, and desert wanderers. Nestled between three mountain ranges and notorious Area 51, Tikaboo is also home to those bizarre Mojave residents known as Joshua trees. These spiky, Dr. Seuss-like plants provide critical food, moisture, and refuge to an incredible Read more …
Help Researchers Track Milkweeds and Monarchs across the West
Published on February 16, 2017
Monarch researchers are trying to understand why monarch overwintering populations are declining in the West, and we need your help! Overwintering monarch populations have declined by 74% in coastal California and more than 80% in central Mexico since monitoring began about 20 years ago. Researchers in the eastern U.S. have identified loss of milkweed (the Read more …
Conservation Innovation Grant Studies Farming With Native Beneficial Insects
Published on January 13, 2017
Note: This article was written and published by the USDA NRCS. The original article may be downloaded here: https://www.nrcs.usda.gov/wps/PA_NRCSConsumption/download?cid=nrcseprd1288409&ext=pdf The Conservation Innovation Grant (CIG) program is a voluntary program intended to stimulate the development and adoption of innovative conservation approaches and technologies while leveraging Federal investment in environmental enhancement and protection, in conjunction with agricultural production. Read more …
Monarch Butterflies in the Western United States
Published on July 20, 2016
The monarch butterfly has received a lot of attention in the last couple of years. Much of that has focused on the population that migrates through eastern North America, as far north as Ontario, and the problems facing the overwintering grounds in Mexico. Monarchs also breed in the western U.S. and research shows that they Read more …
Research Update: Are bee diseases linked to pesticides?
Published on February 16, 2016
The issue of pesticide impacts on bees is of key interest to many people. In time, we’ll also be gathering this information onto a page on our web site. The recently published article, Are bee diseases linked to pesticides?—A brief review (Sanchez-Bayo et al. 2016), infused valuable insights into the discussion about pollinator decline. The Read more …
The Value of Science
Published on December 1, 2015
Science is the foundation of our work here at the Xerces Society. It underpins everything we do. We undertake applied research to determine the extent of decline for bumble bees, freshwater mussels, butterflies, and many other invertebrates. We work with landowners and land management agencies to determine where at-risk species occur, so we can target Read more …
Sign up for our newsletter to receive up to date information about our programs and events.