Xerces Society

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Xerces Society
Xerces Society logo.svg
Named afterXerces blue
Formation1971; 48 years ago (1971)
FounderRobert Michael Pyle[1]
Legal statusFoundation
PurposeInvertebrate Conservation
HeadquartersPortland, Oregon
Region served
United States
Official language
Samples of the extinct Glaucopsyche xerces butterfly in the collections of the Field Museum of Natural History

The Xerces Society is a non-profit environmental organization that focuses on the conservation of invertebrates considered to be essential to biological diversity and ecosystem health. The name is in honor of the extinct California butterfly, the Xerces blue (Glaucopsyche xerces).

The Society collaborates with federal and state agencies including the US Department of Agriculture, as well as scientists, land managers, educators, and citizens to promote invertebrate conservation, applied research, advocacy, public outreach and education. [2] Examples of Xerces Society activities include advocating for invertebrates and their habitats, petitioning for the designation of endangered status for applicable species such as the monarch butterfly,[3] and public education projects. Ongoing projects include the rehabilitation of habitat for endangered species, public education about the importance of native pollinators, and the restoration and protection of watersheds.[4]

Further reading[edit]

  • The Xerces Society (2016). 100 Plants to Feed the Bees: Provide a Healthy Habitat to Help Pollinators Thrive. Storey Publishing. p. 240. ISBN 978-1-6121-2701-9.


  1. ^ "Distinguished Washington Environmental Writer to Speak at CWU". Central Washington University. Retrieved 2014-09-04.
  2. ^ "Donate". The Xerces Society For Invertebrate Conservation. Retrieved 2014-09-04.
  3. ^ "Monarch Petition" (PDF). Xerces Society For Invertebrate Conservation. Retrieved 2014-08-28.
  4. ^ Cassandra Profita (June 20, 2013). "Xerces Society: Wilsonville Bees Died From Pesticide Poisoning". EarthFix. Oregon Public Broadcasting. Retrieved September 19, 2016.