About the Author:
Roger Tory Peterson, one of the world's greatest naturalists, received every major award for ornithology, natural science, and conservation as well as numerous honorary degrees, medals, and citations, including the Presidential Medal of Freedom. The Peterson Identification System has been called the greatest invention since binoculars. These editions include updated material by Michael O'Brien, Paul Lehman, Bill Thompson III, Michael DiGiorgio, Larry Rosche, and Jeffrey A. Gordon.
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Excerpt. © Reprinted by permission. All rights reserved.:
American Copper Lycaena phlaeas Pl. 14
7?8–11?4 in. (22–30 mm). Small. Sexes similar. Upperside:
Forewing
iridescent fiery red-orange; hindwing gray with red-orange border on
outer edge. Underside: Hindwing gray with small black spots and
zigzag red-orange submarginal line. SIMILAR SPECIES: (1) Ruddy and
(2) Lustrous Coppers are similar in color but lack gray hindwing and
marginal orange band. EARLY STAGES: Caterpillar varies from green to
rose red; some have red stripe up middle of back. FOOD: Sheep sorrel,
rarely curled dock, on plains east of Rockies; alpine sorrel in
western mountains and Arctic. FLIGHT: May–Sept. (2 flights) on
plains; July–Aug. (1 flight) in West and Arctic. RANGE: Holarctic. In
N. Amer. probably introduced from Europe to eastern half of
continent. Native populations in Arctic and western alpine habitats
from Alaska, Yukon, and arctic islands south discontinuously to cen.
Calif., ne. Ore., Idaho-Mont. border, cen. Utah, and nw. Wyo.
HABITAT: Introduced populations in waste lots and hayfields; native
western populations on tundra and rocky alpine slopes. REMARKS:
American Copper is a misnomer for the introduced eastern populations
of this butterfly, but it is a traditional name of long standing.
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