endemic to a single nation
Regularity: Regularly occurring
Type of Residency: Year-round
Global Range: Known from two caves in Bath County, Virginia (Christiansen and Bellinger, 1996), and in Union Cave, Monroe County, West Virginia (Fong et al., 2007).
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.
Number of Occurrences
Note: For many non-migratory species, occurrences are roughly equivalent to populations.
Estimated Number of Occurrences: 1 - 5
Comments: Known from two caves in Bath County Virginia (Christiansen and Bellinger, 1996), and in Union Cave, Monroe County, West Virginia (Fong et al., 2007).
National NatureServe Conservation Status
Rounded National Status Rank: N2 - Imperiled
Names and Taxonomy
Comments: The genus Arrhopalites was transferred to Pygmarrhopalites by Vargovitsh (2009).
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