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KINGDOM : Animalia
PHYLUM : Arthropoda
CLASS : Insecta
ORDER : Lepidoptera
FAMILY : Nymphalidae
SUBFAMILY : Limenitidinae
GENUS : Limenitis
SPECIES : Limenitis Arthemis
Synonyms Basilarchia arthemis Papilio arthemis Papilio lamina Limenitis proserpina |
Identification: These two very different forms had once been considered separate species. WHITE ADMIRAL: Upperside is black with broad white median bands on both wings; hindwing has a marginal row of blue dashes and a submarginal row of red dots. Underside is reddish-brown with white median bands as on the upperside. RED-SPOTTED PURPLE: Upperside is blue to blue-green with much iridescence on the outer part of the hindwing. Underside is dark brown. Forewing has 2 red-orange bars near the base of the leading edge; hindwing has 3 red-orange spots near the base and a submarginal row of red-orange spots. The two forms hybridize where their ranges overlap, creating various intermediate forms which may be found in or near the overlap zone. Wing Span: 5.7 - 10.1 cm. Life History: Males perch 3 feet or more above the ground on trees and tall bushes and rarely patrol for females. Eggs are laid singly on tips of host plant leaves; caterpillars eat leaves. Third-stage caterpillars hibernate. Flight Season: The adults fly from June to August, with a partial second generation into September. Caterpillar Hosts: Leaves of many species of trees and shrubs including wild cherry (Prunus), aspen, poplar, cottonwood (Populus), oaks (Quercus), hawthorn (Crataegus), deerberry (Vaccinium stamineum), birch (Betula), willows (Salix), basswood (Tilia), and shadbush (Amelanchier). Adult Food: Sap flows, rotting fruit, carrion, dung, and occasionally nectar from small white flowers including spiraea, privet, and viburnum. White Admirals also sip aphid honeydew. Habitat: The White Admiral form is usually found in the north in deciduous broad-leaf or mixed evergreen forests dominated by aspen or birch. The Red-Spotted Purple form is usually found further south than the White Admiral, in deciduous or mixed forests, moist uplands, valley bottoms, and coastal plains. Roads and clearings in wooded areas are where this butterfly is most often seen. They like to sun themselves on leaves or on gravel roads, where they periodically open and close their wings. They are rarely seen on flowers, but congregate on rotting fruit and animal dung. Range: Alaska and subarctic Canada southeast of the Rocky Mountains to central Texas; east to New England and central Florida. Isolated populations in Arizona, New Mexico, and west Texas south into Mexico. The White Admiral form usually occurs north of a line through north central New England, New York, Pennsylvania, Michigan, and Minnesota. The Red-spotted Purple form is usually found south of this line. Much hybridization occurs where these forms meet. Comments: The Red-spotted Purple is a mimic of the poisonous Pipevine Swallowtail (Battus philenor).casionally nectar from small white flowers including spiraea, privet, and viburnum. White Admirals also sip aphid honeydew. Habitat: The White Admiral form is usually found in the north in deciduous broad-leaf or mixed evergreen forests dominated by aspen or birch. The Red-Spotted Purple form is usually found further south than the White Admiral, in deciduous or mixed forests, moist uplands, valley bottoms, and coastal plains. Roads and clearings in wooded areas are where this butterfly is most often seen. They like to sun themselves on leaves or on gravel roads, where they periodically open and close their wings. They are rarely seen on flowers, but congregate on rotting fruit and animal dung. Range: Alaska and subarctic Canada southeast of the Rocky Mountains to central Texas; east to New England and central Florida. Isolated populations in Arizona, New Mexico, and west Texas south into Mexico. The White Admiral form usually occurs north of a line through north central New England, New York, Pennsylvania, Michigan, and Minnesota. The Red-spotted Purple form is usually found south of this line. Much hybridization occurs where these forms meet. Comments: The Red-spotted Purple is a mimic of the poisonous Pipevine Swallowtail (Battus philenor).
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