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News & Releases
Mountain-Prairie Region

News Release

Two Types of Stoneflies Proposed for Endangered Species Act Protections

For Immediate Release

October 3, 2016


 western glacier stonefly, Credit: Joe Giersch / USGS
Western glacier stonefly, Credit: Joe Giersch / USGS
 Meltwater lednian stonefly, Credit: Joe Giersch / USGS
Meltwater lednian stonefly, Credit: Joe Giersch / USGS

LAKEWOOD, Colo. –Both the meltwater lednian stonefly and the western glacier stonefly are tiny winged insects about the size of your pencil eraser. They live in mountain-top streams and lake outlets where the frigid waters are fed from glaciers and permanent snowfields in and near Glacier National Park, in northwest Montana.

The good news is four potential new populations of the western glacier stonefly are believed to have been found in the Beartooth Mountains in southwestern Mont., and Grand Teton National Park, Wyo. These stoneflies are found almost entirely on federal land in places so remote they are protected from you and me. The bad news is their glaciers are melting, putting the icy streams where stoneflies thrive in danger from drought and climate change.

Because of these threats, the U.S. Fish and Wildlife Service (Service) is proposing a rule to list the meltwater lednian stonefly and western glacier stonefly as threatened under the Endangered Species Act. A threatened listing means the stoneflies are likely to become endangered within the foreseeable future throughout all or a significant portion of their range.

The Service is asking for your help by sending us any scientific or commercial information you may have on these two stoneflies during the 60-day public comment period that opens tomorrow when the rule publishes in the Federal Register, and is requested by December 1, 2016.  

Starting tomorrow, you can see our proposed listing rule on https://www.regulations.gov by searching for Docket Number FWS–R6–ES–2016–0086. Submit comments by clicking on the “Comment Now!” button.

Or, you can mail your comment to: 
Public Comments Processing
Attn: Docket No. FWS–R6–ES–2016–0086
U.S. Fish & Wildlife, MS: BPHC
5275 Leesburg Pike
Falls Church, VA 22041-3803.

The Service will post all information received on https://www.regulations.gov, including any personal information that is provided. 

Remember the four potential new populations of western glacier stonefly found? Once the Service fully analyzes the new information, we will reopen the public comment period on the proposed listing rule. This new data will also help the Service determine critical habitat and potential economic impacts. Our goal is to make a final decision on whether or not to list the stoneflies as threatened within one year.

You can learn more about the stoneflies at: https://www.fws.gov/mountain-prairie/es/meltwaterLednianStonefly.php and at https://www.fws.gov/mountain-prairie/es/westernGlacierStonefly.php. Find out how we’re trying to save other endangered species at: https://www.fws.gov/mountain-prairie/es/endangered.php.

The mission of the U.S. Fish and Wildlife Service is working with others to conserve, protect, and enhance fish, wildlife, plants, and their habitats for the continuing benefit of the American people. We are both a leader and trusted partner in fish and wildlife conservation, known for our scientific excellence, stewardship of lands and natural resources, dedicated professionals, and commitment to public service.

For more information on our work and the people who make it happen, visit http://www.fws.gov/mountain-prairie/. Connect with our Facebook page at http://www.facebook.com/USFWSMountainPrairie, follow our tweets at http://twitter.com/USFWSMtnPrairie, watch our YouTube Channel at http://www.youtube.com/usfws and download photos from our Flickr page at http://www.flickr.com/photos/usfwsmtnprairie/.

– FWS –

U.S. Fish and Wildlife Service

Office of External Affairs

Mountain-Prairie Region

134 Union Blvd

Lakewood, CO 80228

303-236-7905

303-236-3815 FAX

www.fws.gov/mountain-prairie/



Contacts

Serena Baker
serena_baker@fws.gov
(303) 236-4588
 



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The mission of the U.S. Fish and Wildlife Service is working with Others to conserve, protect, and enhance fish, wildlife, plants and their habitats for the continuing benefit of the American People.
Last modified: October 03, 2016
All Images Credit to and Courtesy of the U.S. Fish and Wildlife Service Unless Specified Otherwise.
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