TL: USA, California
22-29 mm
Regional distr. - legend
- Local names
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Language Vernacular name 
EnglishWestern Tailed-Blue 
FrançaisBleu porte-queue de l'Ouest 
中文雅蓝灰蝶
- Primary hostplants
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Family Latin name Vernacular name Fabaceae Astragalus Milk-vetch Fabaceae Lathyrus Vetchlings Fabaceae Oxytropis Locoweed Fabaceae Thermopsis Goldenbanners Fabaceae Vicia Vetch
- Synonyms and other combinations
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Latin name Author Everes amyntula Boisduval, 1852 Lycaena amyntula Boisduval, 1852
- Links
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Language Website Authors Butterflies and Moths of North America Butterflies of America A.Warren, K.Davis, M.Stangeland Butterflies of Canada North American Moth Photographers Group
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