Glaucopsyche piasus umbrosa J. Emmel, T. Emmel & Mattoon, 1998;  Comments: TL: USA (Ca) .

Glaucopsyche piasus umbrosa ♀ USA: CALIFORNIA: San Diego Co.,
Laguna Mtns., Crouch Meadow Spring, 09-VI-71
Allyn Museum Acc. 1974-1