The Xerces Society is a nonprofit organization that protects wildlife through the conservation of invertebrates and their habitat. For forty years, the Society has been at the forefront of invertebrate protection worldwide, harnessing the knowledge of scientists and the enthusiasm of citizens to implement conservation programs.


Monarch Recovery Initiative Letter

Letter Asks President and Secretaries to Jump Start Recovery of Monarch Butterflies

Leading monarch scientists, farmers, and educators asked President Obama and the Secretaries of Agriculture and the Interior to direct five federal agencies to establish a monarch butterfly recovery initiative to restore habitat for this species on both public and private lands.
Read more

Bumble Bee Watch

Bumble Bee Watch is here!

A new web site allows people to be directly involved in protecting bumble bees throughout North America. enables people to connect with experts and other enthusiasts, and help build a comprehensive picture of where bumble bees are thriving and where they need help.

Milkweed Seed Finder

Find Native Milkweed Seed In Your State

Xerces’ Milkweed Seed Finder has a comprehensive directory of milkweed seed vendors across the country. The Seed Finder provides quick access to locally native seed sources, and you can use it to learn more about how to select and purchase the milkweed seed that’s right for your area.
Use the seed finder

Job Posting

Job Opportunity Open for Director of Grants and Corporate Giving

Become a part of the Xerces team. Director of Grants and Corporate Giving will coordinate all grant (private foundations and government grants and contracts) and corporate fundraising.
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Xerces and Partners Comment on Proposed Insecticide Use in Willapa Bay and Grays Harbor

The comprehensive comments respond to the Washington State Department of Ecology’s proposal to develop an Environmental Impact Statement for use of a toxic neonicotinoid to control two species of native burrowing shrimp in commercial shellfish beds in Willapa Bay and Grays Harbor.
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Xerces and NRDC ask FWS to Take Legal Steps to Protect Rusty Patched Bumble Bee

The Xerces Society and NRDC filed a notice of intent to sue the Secretary of the Interior for failure to respond to a petition to list the rusty patched bumble bee (Bombus affinis) as an endangered species under the Endangered Species Act (ESA).
Read more

DeWind Award winners announced

2014 Joan DeWind Award Winners Announced

Xerces has announced the winners of the 2014 Joan DeWind Award. This award provides two students each year with an award of $3,750 each for research into the conservation of Lepidoptera, made possible by the generosity of Bill DeWind, husband of longtime Xerces supporter and pioneering member Joan Mosenthal DeWind. Read more


Number of Monarch Butterflies Overwintering in California Holds Steady, Still Below the 1990s

The Xerces Society has released data showing that more monarch butterflies were counted at overwintering sites in California this year compared to last year. While this is welcome news, the number of butterflies is still well below peak numbers from the 1990s.
Read more


Study Looks at How Controlled Burning Affects Rare Butterfly

A new study from the Xerces Society shows that caution should be used when applying prescribed fire in rare butterfly habitat. This study highlights the need to leave substantial habitat when using fire as a management tool for mardon skippers, and likely other imperiled butterflies.
Read more and download the report


Conservation Groups and Scientists Push USDA to Save Wild Bumble Bees

On October 29, 2013, leading conservation and science voices asked the US Secretary of Agriculture to take action on a petition to regulate the movement of commercial bumble bees in order to help control the spread of parasites and pathogens to wild bumble bees.
Read the letter and other media here


New Report: Beyond the Birds and the Bees

A new report from the Xerces Society moves the spotlight from the risks neonicotinoids pose to bees to the impacts of neonicotinoids to beneficial insects such as earthworms or lady beetles.
Find the report here

Dragonfly Pond Watch Project
The Migratory Dragonfly Partnership has launched the new Dragonfly Pond Watch project to investigate movements of migratory dragonfly species in North America. This project engages citizen scientist monitors to contribute valuable data based on their observations at local ponds.

Read more

Pollinator Conservation Resource Center

A wealth of information is currently available on the plants and guidance needed to implement pollinator conservation projects. This comprehensive resource center will help you find information that is appropriate for your area.
Read more


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Recent Publications
Wings Fall 2013
Wings Fall 2013: Habitat

attracting native pollinators book
Attracting Native Pollinators

Conserving Bumble Bees
Xerces in the Headlines

Program Looks to Give Bees a Leg (or Six) Up

Limits sought on weed killer glyphosate to help monarch butterflies

Monarchs, milkweed and the spirit of Rachel Carson

Local group says feds failing to protect endangered bumble bee species

Growing Insects: Farmers Can Help to Bring Back Pollinators

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The Xerces Society • 628 NE Broadway Ste 200, Portland OR 97232 USA • tel 855.232.6639 • fax 503.233.6794 •
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