Euphilotes spaldingi, or Spalding's blue, is a butterfly of the family Lycaenidae.

The species was first described by William Barnes and James Halliday McDunnough in 1917.

[1] The MONA or Hodges number for Euphilotes spaldingi is 4369.1.

[5] Two subspecies belong to Euphilotes spaldingi: Data sources: i = ITIS,[1] c = Catalogue of Life,[2] g = GBIF,[3] b = BugGuide[4]

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