Eupithecia stellata

(Hulst, 1896)

stellate pug

Eupithecia stellata is a small in the Geometridae, first described by George Duryea Hulst in 1896. It belongs to the large Eupithecia, commonly known as "pug" moths. The occurs across western North America from central Canada to Mexico. have been documented visiting apple flowers at night, contributing to pollination services in agricultural settings.

Pronunciation

How to pronounce Eupithecia stellata: /juːˈpɪθiə ˈstɛlətə/

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Identification

Members of the Eupithecia ("pugs") are readily recognized by their narrow wings and distinctive resting posture. Specific identification of E. stellata likely requires examination of genitalic characters, as is typical for this -rich genus where many species appear similar superficially.

Distribution

Found in North America from central Manitoba to northern Alberta, southward to California and Mexico. Distribution records confirm presence in Alberta, Manitoba, and Saskatchewan in Canada, with range extending through the western United States.

Behavior

are and have been observed visiting apple flowers at night. They are attracted to ultraviolet light sources.

Ecological Role

Has been documented as a of apple flowers, contributing to fruit set in orchard settings alongside other night-flying insects.

Human Relevance

Documented as a participant in pollination of apple crops, suggesting potential value as an service provider in agricultural contexts. Otherwise not known to have significant direct economic impact.

Similar Taxa

Other Eupithecia speciesMany Eupithecia are superficially similar in size, wing shape, and resting posture; definitive identification often requires genitalic dissection

More Details

Taxonomic note

Originally described as Tephroclystis stellata before transfer to Eupithecia. The Eupithecia contains hundreds of worldwide, with many North American species requiring knowledge for accurate identification.

Research context

Photographed on apple flowers during a 2021 study on pollination in Arkansas orchards, demonstrating that this engages in crop visitation alongside more commonly recognized .