Microhexura montivaga - Earth.com
microhexura montivaga
12-22-2016

Microhexura montivaga

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. NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network.

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.

FWS Digital Media Library — The U.S. Fish and Wildlife Service’s National Digital Library is a searchable collection of selected images, historical artifacts, audio clips, publications, and video. The spruce-fir moss spider is an endangered species of spider found at high elevations in the southern Appalachian Mountains. First identified in 1923, it inhabits moss that grows on rocks underneath the forest canopy. M. montivaga is one of the smallest mygalomorph spiders, with adults only measuring 3 to 4 mm (about 1/8 inch). The coloration varies from light brown to yellow-brown to a darker reddish brown, with no markings on the abdomen. The chelicerae project forward, and one pair of spinnerets is very long. It possesses a second pair of book lungs, which appear as light patches behind the genital furrow.

Detailed information
Full Name: Spruce-Fir Moss spider (Microhexura montivaga)
Where found: Wherever found
Critical Habitat:N/A
Species Group:Arachnids
Current listing status
Status Date Listed Lead Region Where Listed
Endangered 02/06/1995 Southeast Region (Region 4) Wherever found
  • States/US Territories in which the Spruce-Fir Moss spider, Wherever found is known to or is believed to occur: North Carolina , Tennessee , Virginia
  • US Counties in which the Spruce-Fir Moss spider, Wherever found is known to or is believed to occur: View All
Recovery
To learn more about critical habitat please see http://ecos.fws.gov/crithab
Date
Title
Plan Action Status
Plan Status
09/11/1998 Spruce-Fir Moss Spider View Implementation Progress Final
Date
Title
Plan Action Status
Plan Status
09/11/1998 Spruce-Fir Moss Spider View Implementation Progress Final
Date
Citation Page
Title
Document Type
07/29/2008 73 FR 43947 43948 5-Year Status Review of 20 Southeastern Species
  • Notice 5-year Review, Initiation
02/12/2001 66 FR 9806 9808 Endangered and Threatened Wildlife and Plants; Reopening of Public Comment Period and Notice of Availability of Draft Economic Analysis for Proposed Critical Habitat Determination for the Spruce-Fir Moss Spider
  • Notice Doc. Availability
  • Notice Reopen Comment
Date
Title
12/02/2014 Spruce-fir moss spider 5-year review
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