Overview

Distribution

endemic to a single nation

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National Distribution

United States

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

Type of Residency: Year-round

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Global Range: Lewis (2005) documented cave occurrences in Tennessee in Crystal Cave and Dry Cave in Grundy Co.; and Three Forks Cave in Overton Co. It was previously reportd from two caves in Virginia (Christiansen and Bellinger, 1996).

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Ecology

Migration

Non-Migrant: No. All populations of this species make significant seasonal migrations.

Locally Migrant: No. No populations of this species make local extended movements (generally less than 200 km) at particular times of the year (e.g., to breeding or wintering grounds, to hibernation sites).

Locally Migrant: No. No populations of this species make annual migrations of over 200 km.

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Population Biology

Number of Occurrences

Note: For many non-migratory species, occurrences are roughly equivalent to populations.

Estimated Number of Occurrences: 1 - 20

Comments: Lewis (2005) documented cave occurrences in Tennessee in Crystal Cave and Dry Cave in Grundy Co.; and Three Forks Cave in Overton Co. It was previously reportd from two caves in Virginia (Christiansen and Bellinger, 1996).

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Conservation

Conservation Status

National NatureServe Conservation Status

United States

Rounded National Status Rank: N1 - Critically Imperiled

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NatureServe Conservation Status

Rounded Global Status Rank: G3 - Vulnerable

Reasons: Lewis (2005) documented cave occurrences in Tennessee in Crystal Cave and Dry Cave in Grundy Co.; and Three Forks Cave in Overton Co. It was previously reportd from two caves in Virginia (Christiansen and Bellinger, 1996).

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Names and Taxonomy

Taxonomy

Comments: The genus Arrhopalites was transferred to Pygmarrhopalites by Vargovitsh (2009).

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Disclaimer

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