Eudonia expallidalis

Dyar, 1906

Eudonia expallidalis is a small crambid described by Harrison Gray Dyar Jr. in 1906. It is restricted to western North America, with records from Washington through Nevada to California. are active in spring and early summer.

Pronunciation

How to pronounce Eudonia expallidalis: /juːˈdoʊniə ɛkˌspælɪˈdeɪlɪs/

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

Identification

Distinguished from similar Eudonia by combination of small size (20 mm wingspan), pale gray forewings with distinct pale brown inner line, and white hindwings with gray tinge. Geographic restriction to western North America may aid identification.

Appearance

Small with wingspan approximately 20 mm. Forewings pale gray with a pale brown inner line. Hindwings white, tinged with gray.

Distribution

Western North America: recorded from Washington, Nevada, and California.

Seasonality

active March, and May through July.

Similar Taxa

  • Other Eudonia speciesSimilar size and general appearance; E. expallidalis distinguished by specific wing pattern (pale brown inner line on forewings, white hindwings with gray tinge) and western North American distribution

More Details

Taxonomic history

Originally described by Harrison Gray Dyar Jr. in 1906. Placed in Scopariinae within Crambidae.

Sources and further reading