Eudonia leucophthalma

Dyar, 1928

A small crambid with a wingspan of approximately 14 mm, found in western North America from British Columbia and Alberta south to California. are active from May through September and can be distinguished from the similar Eudonia echo by their smaller size and more olivaceous, denser shading. The includes two recognized : the nominate form in British Columbia and E. l. petaluma in California.

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Plate XXI. The butterflies and moths of New Zealand.</div> by George Vernon Hudson
. Used under a Public domain license.

Pronunciation

How to pronounce Eudonia leucophthalma: /juːˈdoʊniə ljuˌkɒfˈθælmə/

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Identification

Distinguished from Eudonia echo by smaller size and more olivaceous, denser (not grey) dark shadings. The narrowed, contrasting whitish transverse and Y-shaped spot with small speck on lower side are diagnostic.

Images

Appearance

Small with wingspan approximately 14 mm. pattern features dark shadings that are olivaceous and dense (not grey). Transverse are narrowed and contrasting whitish. spot is Y-shaped with a small speck on the lower side. Overall coloration darker and more olive-toned than similar .

Distribution

Western North America: British Columbia and Alberta, Canada; south through Washington to California, USA. Two show geographic partitioning: E. l. leucophthalma in British Columbia, E. l. petaluma in California.

Seasonality

recorded on from May to September.

Similar Taxa

  • Eudonia echoLarger size with grey rather than olivaceous dark shadings; lacks the narrowed, contrasting whitish and Y-shaped spot with speck characteristic of E. leucophthalma

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Sources and further reading