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Euphilotes s. spaldingi (W. Barnes & McDunnough, 1917)
(Spalding's Blue)

Pinned Specimens photo collection:

Immatures photo collection:

Live Adults photo collection:

Larval Foodplants and Habitats photo collection:

Distribution and Larval Foodplants:

Larval Foodplants: Eriogonum racemosum Nutt.


(From: A Catalogue of the Butterflies of the United States and Canada, Jonathan P. Pelham)

Genus Euphilotes Mattoni, [1978]

J. Res. Lepid. 16(4): 224-225. Type-species: Lycaena enoptes Boisduval, 1852, Annls. Soc. Entomol. Fr. (2)10(2): 298, no. 36, by original designation.


rita complex Pratt & J. Emmel, 1998

Syst. W. N. Am. Butts. (17): 271.


Euphilotes spaldingi (W. Barnes & McDunnough, 1917)


Euphilotes spaldingi spaldingi (W. Barnes & McDunnough, 1917)

Contr. Nat. Hist. Lepid. N. Am. 3(4): 215-216, 262, 264, pl. 16, figs. 9 ♂ D, 10 ♂ V, 11 ♀ D, pl. 17, fig. 6 ♂ genitalia.

Original Combination: Philotes spaldingi

Type Locality: “Provo, Utah...Silver Lake, Utah...Stockton, Utah” defined as “Provo, Utah” by Shields (1975), Bull. Allyn Mus. (28): 21. [Utah County]

Types: Syntypes in USNM; “paratype” figured by W. Holland (1931), Butt. Book (rev. ed.): pl. 66, fig. 46 ♂ V.



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