Aethes argentilimitana

(Robinson, 1869)

Silver-bordered Aethes

Aethes argentilimitana, commonly known as the silver-bordered aethes, is a small tortricid native to North America. The inhabits dry, open meadows and fields across a broad eastern and central range extending from Ontario south to Mississippi. are active from spring through late summer, with multiple likely occurring annually. The species is relatively well-documented, with over 1,400 observations recorded.

Aethes argentilimitana by (c) brendanboyd, some rights reserved (CC BY). Used under a CC-BY license.Aethes argentilimitana by Jacy Lucier. Used under a CC BY-SA 4.0 license.Aethes argentilimitana - tentative ID (14627217010) by Andy Reago & Chrissy McClarren. Used under a CC BY 2.0 license.

Pronunciation

How to pronounce Aethes argentilimitana: //ˈiː.θiːz ɑːrˌdʒɛn.tɪ.lɪ.mɪˈtɑː.nə//

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Identification

Best identified by the combination of small size (forewings under 6 mm), the silver-bordered wing pattern implied by the , and occurrence in dry meadow during the April–September period. Distinguishing this from other small Aethes species requires examination of genitalia or detailed wing pattern analysis.

Images

Appearance

A small with forewings measuring 3.9–5.7 mm in length. The specific wing pattern that gives rise to the "silver-bordered" is not detailed in available sources.

Habitat

Dry, open areas including meadows and fields. The specificity for open, xeric conditions suggests to grassland and early successional environments.

Distribution

North America: Ontario, Canada; and the United States in Illinois, Indiana, Kentucky, Maine, Massachusetts, Michigan, Minnesota, Mississippi, New Jersey, Ohio, Pennsylvania, Vermont, and Wisconsin. The range spans the northeastern and north-central regions with a southern extension to Mississippi.

Seasonality

on wing from April to September. Multiple per year are probable given the extended period.

Similar Taxa

  • Other Aethes speciesMany Aethes are small tortricids with similar size and general appearance; accurate identification often requires dissection and examination of genitalia.

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Sources and further reading