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2016 California Academy of Sciences   cc-by-nc-sa-3.0

Glaucopsyche piasus (Arrowhead Blue) is a species of butterflies in the family gossamer-winged butterflies. They visit flowers of fragrant sumac, Ericameria nauseosa nauseosa, silky lupine, and Variable-Leaf Scorpion-Weed.

EOL has data for 9 attributes, including:

Known occurrences, collected specimens and observations of Arrowhead Blue. View this species on GBIF