Paraleptophlebia falcula

endemic to a single nation

United States

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

Type of Residency: Year-round

Global Range: (5000-20,000 square km (about 2000-8000 square miles)) In Washington, it occurs in the South Fork Walla Walla River, Umatilla Co. (Meyer and McCafferty, 2007). In Oregon, it occurs in few historical sites in Benton and Union Cos. with new localities in South Fork Walla Walla River, Umatilla Co. (Meyer and McCafferty, 2007). Idaho occurrences are not specific.

Comments: Larvae remain unknown (P. McCafferty, personal communication, December 2003).

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.

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

Estimated Number of Occurrences: 1 - 20

Comments: In Washington, it occurs in the South Fork Walla Walla River, Umatilla Co. (Meyer and McCafferty, 2007). In Oregon, it occurs in few historical sites in Benton and Union Cos. with new localities in South Fork Walla Walla River, Umatilla Co. (Meyer and McCafferty, 2007).

United States

Rounded National Status Rank: N1 - Critically Imperiled

Rounded Global Status Rank: G1 - Critically Imperiled

Reasons: In Washington, it occurs in the South Fork Walla Walla River, Umatilla Co. (Meyer and McCafferty, 2007). In Oregon, it occurs in few historical sites in Benton and Union Cos. with new localities in South Fork Walla Walla River, Umatilla Co. (Meyer and McCafferty, 2007). Idaho occurrences are not specific.