Perittia cygnodiella
(Busck, 1921)
Perittia cygnodiella is a small in the Elachistidae, first described by Busck in 1921. It is characterized by its diminutive size, with forewings measuring 3.5–5.5 mm. The occurs in western North America from the Canadian prairies through the Pacific coast states.
Pronunciation
How to pronounce Perittia cygnodiella: /pɛˈrɪtiə sɪɡnoʊˈdiɛlə/
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Identification
The small forewing length (3.5–5.5 mm) distinguishes this from larger microlepidoptera. Definitive identification requires examination of genitalia or , as is standard for Elachistidae. The specific epithet 'cygnodiella' (from Latin cygnus, swan, and -diella, diminutive) may allude to wing patterning, though this is speculative.
Images
Appearance
Forewings measure 3.5–5.5 mm in length. As a member of Elachistidae, it is a minute with narrow, wings typical of the .
Distribution
Western North America: from Alberta and Saskatchewan in Canada, through British Columbia, Washington, to California in the United States. The range spans interior and coastal regions of the Pacific slope.
Similar Taxa
- Other Perittia species share similar small size and wing ; dissection or molecular analysis typically required for separation.
- Other Elachistidae members are uniformly minute with narrow wings; -level identification depends on subtle genitalic differences.