![]() ![]() SUMMARY: We, the Fish and Wildlife Service (Service), designate critical habitat for the spruce-fir moss spider ( Microhexura montivaga ), under the Endangered Species Act of 1973, as amended (Act). It possesses a second pair of book lungs, which appear as light patches behind the genital furrow. 1,087 as of at 4:15 am EDT Document Statistics Published Document AGENCY: Fish and Wildlife Service, Interior. The chelicerae project forward, and one pair of spinnerets is very long. The coloration varies from light brown to yellow-brown to a darker reddish brown, with no markings on the abdomen. While many people may spend their careers specializing in whitetail deer or black bear, for the spruce-fir moss spider, there’s really only one Dr. It was placed on the federal threatened and endangered species list as endangered in 1995. The carapace is generally yellowish brown with chelicerae that project forward well beyond the anterior edge of the carapace. The spruce-fir moss spider is an endangered spider, maxing out at about the size of a match head. montivagaranges from light brown to darker reddish brown with no markings on the abdomen. The proposed designation of critical habitat for the spruce-fir moss spider includes-(1) Areas at and above 1,646 meters (m) (5,400 feet (ft)) in elevation in the Great Smoky Mountains National Park (GSMNP) on and/or in the vicinity of Mount LeConte in Sevier County, Tennessee, and Mount Collins, Clingmans Dome. montivaga is one of the smallest mygalomorph spiders, with adults only measuring 3 to 4 mm (about 1/8 inch). Arachnids Spruce-fir moss spider Microhexura montivaga Endangered (February 6, 1995) Description: Coloration of M. ![]() First identified in 1923, it inhabits moss that grows on rocks underneath the forest canopy. The spruce-fir moss spider is an endangered species of spider found at high elevations in the southern Appalachian Mountains. Spruce-Fir Moss Spider USFWS /Southeast / CC By 2. Fish and Wildlife Service’s National Digital Library is a searchable collection of selected images, historical artifacts, audio clips, publications, and video. ITIS Reports - ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of North America and the world.įWS Digital Media Library - The U.S. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network. NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. Microhexura montivaga NatureServe Explorer Species Reports - NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and Canada. ![]()
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