The Xerces Society is a nonprofit organization that protects wildlife through the conservation of invertebrates and their habitat. For over 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 Scientists Release Statement Highlighting Concerns with Butterfly Releases
A group of ten monarch researchers and conservationists from across the U.S. has issued a statement highlighting concerns with the release of commercially raised and other mass-reared monarch butterflies and recommended against the practice.
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Now Accepting 2016 Proposals for Joan DeWind Award
Xerces is now accepting applications for 2016 Joan Mosenthal DeWind Award proposals. This award provides two students each year with an award of $3,750 each for research into the conservation of Lepidoptera.
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Seven Native Hawaiian Pollinators Proposed as Endangered Species

In response to petitions from the Xerces Society, the USFWS proposed today that seven species of Hawaiian yellow-faced bees be listed as endangered species under the Endangered Species Act. When the proposed rule is finalized, these will be the first bees to gain federal protection in the U.S.
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White House Releases Historic Pollinator Protection Strategy

The White House’s action places pollinator protection squarely on the national stage. Protecting, restoring, and enhancing habitat for bees and butterflies, including the monarch, is a major focus of this national strategy.
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Million Pollinator Garden Challenge

Million Pollinator Garden Challenge Launches!

The new National Pollinator Garden Network has launched the Million Pollinator Garden Challenge to register a million public and private gardens and landscapes to support pollinators.
Sign Xerces’ Pollinator Protection Pledge to add your garden!


Monarch Butterflies in North America Found to be Vulnerable to Extinction

A newly completed assessment has found that monarch butterflies in North America are vulnerable to extinction. The assessment was undertaken by NatureServe and the Xerces Society, and results were published in a report released by the U.S. Forest Service March 9th.
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Farming with Native Beneficial Insects

Announcing the Release of Farming with Native Beneficial Insects

New book from the Xerces Society and Storey Publishing provides clear, effective, science-based conservation strategies that increase beneficial insect populations on farms. It is the most comprehensive book ever developed on the subject of natural pest control.
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Milkweeds: A Conservation Practitioner's Guide

Milkweeds: A Conservation Practitioner’s Guide

Monarch butterflies need milkweed, but milkweeds are disappearing from the landscape. In response to this, Xerces’ newest publication is a first-of-its kind manual on large-scale milkweed seed production, nursery propagation, and field restoration of the plants.
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Bumble Bee Watch

Bumble Bee Watch!

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

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.

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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.
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Recent Blog Posts

Rethinking Pesticides

Study Finds High Levels of Pesticides in Wild Bees Foraging in Farmland

All Aboard the Monarch Express

Xerces in the Headlines

Citizen scientists tracking Ohio bumblebees

State probe of Portland bee deaths finds lethal dose of banned chemical

World’s Biggest Bumblebee at Risk of Extinction

Recent Publications
Wings Fall 2015 attracting native pollinators book
Wings Fall 2015
Attracting Native Pollinators
Farming for Bees
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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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