Edith's Checkerspot 2014

Edith's Checkerspot Butterfly, Wheeler Peak, Emigrant Wilderness 2014

Euphydryas Edith (Boisduval, 1852)

Family: Nymphalidae

Subfamily: Nymphalinae

Identification: Variable. Front wing rounded at tip. Upperside is black with red and pale yellow or white bands. Submarginal band of small yellow or white spots; wide postmedian band is red. Underside of hindwing with alternating bands of yellow-orange and cream.

Wing Span: 1 1/4 - 2 inches (3.2 - 5.1 cm).

Life History: Males perch or patrol all day to find females. Eggs are laid in groups on underside of leaves or on flowers of the host plant. Caterpillars eat leaves and flowers; sometimes using different host plants before and after hibernation. Young caterpillars live in loose silk webs; third- and fourth-stage caterpillars hibernate.

Flight: One brood; from March-May at low elevations, June-August at high elevations and in the north.

Caterpillar Hosts: Various species of paintbrush (Castilleja), beardtongues (Penstemon), lousewort (Pedicularis), owl's clover (Orthocarpus), Chinese houses (Collinsia), and plantain (Plantago).

Adult Food: Flower nectar.

Habitat: From sea level to treeline through diverse habitats including coastal chaparral, meadows, fields, foothills, open woods, alpine fellfields.

Range: Southern British Columbia and Alberta south to Baja California, Nevada, Utah, and Colorado.


Range of Edith's Checkerspot Butterfly

Range Map

Contact zScapes

Copyright © 1990-2018 zScapes. All rights reserved