Aethes biscana
(Kearfott, 1907)
Reddish Aethes
Aethes biscana, commonly known as the reddish aethes, is a small tortricid native to North America. It is characterized by light brown forewings with darker markings and shining grey hindwings. The exhibits broad geographic distribution across eastern and central North America, with activity spanning most of the year depending on location.
Pronunciation
How to pronounce Aethes biscana: /ˈaɪ.θiːz ˈbɪs.kə.nə/
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Identification
The combination of small size (15–23 mm wingspan), light brown forewings with darker linear markings, and distinctly shining grey hindwings distinguishes this from similar Aethes species. The forewing pattern of multiple darker lines is a key diagnostic feature.
Images
Appearance
Small with wingspan of 15–23 mm. Forewings are light brown with several darker lines and markings. Hindwings are shining grey.
Distribution
Eastern and central North America. Recorded from: Canada (Alberta, Manitoba, New Brunswick, Ontario, Quebec) and United States (Connecticut, Florida, Illinois, Indiana, Kentucky, Maine, Maryland, Massachusetts, New Jersey, New York, Ohio, Pennsylvania, South Carolina, Vermont).
Seasonality
recorded on wing between February and December, with timing varying by location. This extended period suggests multiple or regionally staggered patterns.
Similar Taxa
- Other Aethes speciesSimilar small size and general tortricid ; distinguished by specific forewing pattern of darker lines on light brown background and shining grey hindwings
More Details
Nomenclature
Originally described as Phalonia biscana by Kearfott in 1907, later transferred to Aethes.