Overview

Brief Summary

North American Ecology (US and Canada)

Satyrium saepium is resident of the western United states, into southern British Columbia (Scott 1986). Habitats are chaparral and pine woodland. Host plants are shrubs largely restricted to one genus, Caenothus (Rhamnaceae). Eggs are laid on the host plant singly. Individuals overwinter as eggs. There is one flight each year with the approximate flight time depending on location: July15-Aug in Colorado, late May-early Sep from Washington to n. Calif., late May-July31 in s. Calif. (Scott 1986).
  • Scott, J. A. 1986. The butterflies of North America. Stanford University Press.
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Distribution

occurs (regularly, as a native taxon) in multiple nations

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National Distribution

Canada

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

Type of Residency: Year-round

United States

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

Type of Residency: Year-round

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Global Range: (>2,500,000 square km (greater than 1,000,000 square miles)) Pacific coast from southern British Columbia to Baja California, Mexico. Also in Rockies from Montana to New Mexico.

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Ecology

Habitat

Comments: Mountains and foothills in arid scrub, with hosts, CERCOCARPUS betuloides and several species in genus Ceanothus. Scott (1986) also reports pine woodland.

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Migration

Non-Migrant: No. All populations of this species make significant seasonal migrations.

Locally Migrant: No. No populations of this species make local extended movements (generally less than 200 km) at particular times of the year (e.g., to breeding or wintering grounds, to hibernation sites).

Locally Migrant: No. No populations of this species make annual migrations of over 200 km.

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Population Biology

Number of Occurrences

Note: For many non-migratory species, occurrences are roughly equivalent to populations.

Estimated Number of Occurrences: 81 to >300

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Global Abundance

10,000 to >1,000,000 individuals

Comments: Often quite abundant.

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Life History and Behavior

Behavior

Males perch for females (Scott, 1986).
  • Scott, J. A. 1986. The butterflies of North America. Stanford University Press.
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Satyrium saepium

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 20
Species With Barcodes: 1
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Conservation

Conservation Status

National NatureServe Conservation Status

Canada

Rounded National Status Rank: N5 - Secure

United States

Rounded National Status Rank: N5 - Secure

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NatureServe Conservation Status

Rounded Global Status Rank: G5 - Secure

Reasons: Widespread and abundant in western North America.

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Threats

Degree of Threat: D : Unthreatened throughout its range, communities may be threatened in minor portions of the range or degree of variation falls within natural variation

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Management

Global Protection: Many to very many (13 to >40) occurrences appropriately protected and managed

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Wikipedia

Satyrium saepium

The Hedgerow Hairstreak (Satyrium saepium) is a butterfly of the Lycaenidae family. It is found in western North America,[1] from British Columbia south through California into Baja California and east through northern Arizona to northern New Mexico, Colorado and Montana.

The wingspan is 26–30 mm. The upperside is metallic copper-brown. The forewings of the males have a black (although sometimes pale) oval spot along the leading edge. The underside is brown with a blue spot near the tail. Adults are on wing from April to September. They feed on the nectar of various flowers, including yerba santa and wild buckwheats.

The larvae feed on the buckbrush (Ceanothus spp., Rhamnaceae).[2] They feed on the buds and uppersides of the leaves of their host plant.

Subspecies[edit]

  • S. s. caliginosum Emmel, Emmel & Mattoon, 1998 (California)
  • S. s. chalcis (Edwards, 1869) (California)
  • S. s. chlorophora (Watson & Comstock, 1920) (California)
  • S. s. fulvescens (H. Edwards, 1877) (California)
  • S. s. latalinea Austin & Savage, 1998 (Utah)
  • S. s. obscurofuscum Austin, 1998 (Nevada)
  • S. s. provo (Watson & Comstock, 1920) (Utah)
  • S. s. rubrotenebrosum Emmel, Emmel & Mattoon, 1998 (California)
  • S. s. subaridum Emmel, Emmel & Mattoon, 1998 (California)
  • S. s. saepium (California to British Columbia)

References[edit]

  1. ^ a b Satyrium, funet.fi
  2. ^ Hedgerow Hairstreak, Butterflies of Canada
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