TL: USA, California, San Francisco
Similar species
30-38 mm
Regional distr. - legend
- Local names
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Language Vernacular name 
English (US)Purplish Copper 
FrançaisCuivré mauve FrançaisCuivré pourpré 
中文闪紫灰蝶
- Primary hostplants
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Family Latin name Vernacular name Polygonaceae Polygonum Knotweed Polygonaceae Rumex Sorrel - Secondary hostplants
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Family Latin name Vernacular name Rosaceae Potentilla Cinquefoil
- Synonyms and other combinations
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Latin name Author Lycaena helloides Boisduval, 1852 Polyommatus helloides Boisduval, 1852
- Tharsalea (Epidemia) helloides is a member of the clade Lycaena epixanthe:
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Species Author Tharsalea (Epidemia) dorcas (Kirby, 1837) Tharsalea (Epidemia) dospassosi (McDunnough, 1940) Tharsalea (Epidemia) epixanthe (Boisduval & LeConte, [1835]) Tharsalea (Epidemia) helloides (Boisduval, 1852) Tharsalea (Epidemia) mariposa (Reakirt, 1866) Tharsalea (Epidemia) nivalis (Boisduval, 1869)
- 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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