Brief Summary

North American Ecology (US and Canada)

Migratory in southwest North America except the tip of south Texas (Scott 1986). Habitats are SUBTROPICAL AND DESERT OPEN AREAS. Host plants are herbs and trees with most known hosts restricted to a few species in family LEGUMINOSAE. There are multiple flights each year with the approximate flight time JUL1-OCT31 in the northern part of the range and year-round in the southern part of their range (Scott 1986).
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Pyrisitia proterpia

The following is a representative barcode sequence, the centroid of all available sequences for this species.

There are 12 barcode sequences available from BOLD and GenBank.

Below is a sequence of the barcode region Cytochrome oxidase subunit 1 (COI or COX1) from a member of the species.

See the BOLD taxonomy browser for more complete information about this specimen and other sequences.

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Source: Barcode of Life Data Systems (BOLD)


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Statistics of barcoding coverage: Pyrisitia proterpia

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 11
Specimens with Barcodes: 33
Species With Barcodes: 1
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© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)


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Eurema proterpia

The Tailed Orange (Eurema proterpia) is a North and South American butterfly in the family Pieridae.


The upper side of the wings is orange with a variable amount of black along the fore wing costa.[1] The wing veins are lightly marked with black in summer individuals, and winter individuals have no black veins. Males reflect UV light on their upper sides, and some females can be white.[2] The underside of the wings varies depending on the season. Summer individuals are yellow-orange with the hind wing slightly pointed. Winter individuals are brown with darker brown markings with the hind wing being much more pointed.[1] The wingspan measures 1¼ to 1¾ inches.[3]

Similar species[edit]

The only similar species in the Tailed Orange's range is the Sleepy Orange (Eurema nicippe).

The Sleepy Orange has a black fore wing cell spot on the upper side, the upper side of the hind wing has a black marginal border, and the hind wing is not pointed.[1]


The Tailed Orange lives in a variety of open habitats such as open woodlands, deserts, and subtropical habitats.[2][3]


This species may be found from mid-July to early January in Arizona, from August to November in Texas, and all year round in Mexico.[2][3]

Life cycle[edit]

Males patrol all day in search of females.[2] The larva is bright yellow-green with a yellow lateral stripe.[4]

Host plants[edit]

Here is a list of host plants used by the Tailed Orange:


  1. ^ a b c Jim P. Brock and Kenn Kaufman (2003). Butterflies of North America. Houghton Mifflin, New York, NY. ISBN 0-618-15312-8
  2. ^ a b c d e James A. Scott (1986). The Butterflies of North America. Stanford University Press, Stanford, CA. ISBN 0-8047-2013-4
  3. ^ a b c d Bob Stewart, Priscilla Brodkin and Hank Brodkin (2001). Butterflies of Arizona. West Coast Lady Press. ISBN 0-9663072-1-6
  4. ^ a b Thomas J. Allen, Jim P. Brock and Jeffrey Glassberg (2005). Caterpillars in the Field and Garden. Oxford University Press, New York, NY. ISBN 978-0-19-514987-6
  • F. Martin Brown and Bernard Heineman, Jamaica and its Butterflies (E. W. Classey, London 1972), plate VI
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