Aethes louisiana

(Busck, 1907)

Aethes louisiana is a small tortricid described from the United States in 1907. The is distinguished by its light straw-colored forewings with golden yellow overlay and two dark golden brown basal fasciae. It has been recorded from Missouri, Illinois, and Indiana, with active during late spring. The species name reflects its association with the state of Louisiana, though current records suggest a broader midwestern distribution.

Pronunciation

How to pronounce Aethes louisiana: /ˈiːθiːz luːˌiːziˈænə/

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Identification

The combination of small size (16–17 mm wingspan), light straw-colored forewings with golden yellow overlay, and two distinct dark golden brown basal fasciae distinguishes this from other Aethes. The dark fuscous hindwings provide additional contrast. Specific separation from requires examination of genitalia or comparison of fasciae pattern details.

Distribution

United States: Missouri, Illinois, and Indiana. The name references Louisiana, but verified records from that state have not been documented in available sources.

Seasonality

are on wing from May to June.

Similar Taxa

  • Other Aethes speciesMany share similar size and general coloration; A. louisiana is distinguished by the specific pattern of two dark golden brown basal fasciae on light straw forewings
  • Cochylini tribe membersSmall tortricids with banded or patterned forewings; precise identification requires attention to the number, position, and color of fasciae

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Sources and further reading