- Lygistopterus chihuahuensis Zaragoza-Caballero, 2003

Holotype: ♂. MEXICO: Chihuahua, Hidalgo Parral, 25 mi W, 6800', 15/VII/1964. Col. J. Powell. On Prionosciadium townsendii .

Conservation status: Complete, well-preserved; genitalia glued on the same card. Allotype: ♀. Ídem.

Conservation status: Complete, well-preserved.

Paratype: 1 ♀. MEXICO: Chihuahua, Pedernales, 4 mi E, 7400', 12/VII/1964. Col. J. Powell.

Conservation status: Complete, well-preserved.