Agonopterix hyperella

Ely, 1910

Agonopterix hyperella is a small in the Depressariidae, described by Charles Russell Ely in 1910. It is known from the eastern United States, with records from Alabama, Indiana, Maryland, Massachusetts, North Carolina, Ohio, and Tennessee. The is associated with Hypericum (St. John's wort) as a larval plant, with larvae feeding on Hypericum prolificum and Hypericum perforatum.

Pronunciation

How to pronounce Agonopterix hyperella: /æɡəˈnɒptərɪks ˌhaɪpəˈrɛlə/

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Identification

The combination of dark lavender gray forewings with brownish shading, the distinctive yellowish-white basal band containing black scales, and the black crescent-shaped discal line with adjacent white discal spot distinguishes this . The small yellowish and black patches along the costal margin provide additional diagnostic characters. Similar Agonopterix species lack this specific pattern of contrasting markings.

Appearance

Small with wingspan of 15–17 mm. Forewings are dark lavender gray with brownish shading, featuring a yellowish-white band near the base that usually contains a few black scales. Small yellowish and black patches occur along the costal margin. A black crescent-shaped line is present on the disc, with a white discal spot beyond it. Hindwings are smoky gray.

Habitat

Associated with containing Hypericum prolificum and Hypericum perforatum, which includes open woodlands, meadows, and disturbed areas where these plants grow.

Distribution

Eastern North America: recorded from Alabama, Indiana, Maryland, Massachusetts, North Carolina, Ohio, and Tennessee.

Diet

Larvae feed on Hypericum prolificum and Hypericum perforatum (St. John's wort ). feeding habits are not documented.

Host Associations

  • Hypericum prolificum - larval primary
  • Hypericum perforatum - larval primary

Ecological Role

Herbivore specializing on Hypericum ; may contribute to of these plants. Potential prey for insectivorous birds, bats, and other arthropods.

Similar Taxa

  • Other Agonopterix speciesSimilar size and general body plan, but distinguished by the unique forewing pattern of dark lavender gray with yellowish-white basal band, black crescent-shaped discal line, and white discal spot.

More Details

Etymology

The specific epithet 'hyperella' refers to the larval association with Hypericum plants.

Original description

First described by Charles Russell Ely in 1910 based on specimens from the eastern United States.

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Sources and further reading