Eupithecia pinata

Cassino, 1925

Eupithecia pinata is a of in the Geometridae, described by Samuel E. Cassino in 1925. It is known from North America, with records from Arizona. Like other members of the Eupithecia, it is a pug moth, a group characterized by small size and relatively plain wing patterns. The species has been documented visiting apple flowers in Arkansas, where it was observed as part of a .

Pronunciation

How to pronounce Eupithecia pinata: /juːˈpɪθiːkɪə pɪˈnɑːtə/

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Identification

Eupithecia pinata can be distinguished from other Eupithecia by examination of genitalic structures, as is typical for this where external is often similar among closely related species. The specific wing pattern and coloration details for E. pinata require reference to original description and . As with most pug moths, are small with relatively narrow wings and a resting posture that creates a triangular silhouette.

Distribution

North America, including Arizona. Distribution records are sparse, with only 8 observations documented in iNaturalist as of source date.

Behavior

Has been observed visiting apple flowers at night in Arkansas orchards, participating in pollination activity alongside other .

Ecological Role

Documented as a of apple flowers, contributing to nighttime pollination services in agricultural settings. The 2021 study in Arkansas found that nocturnally pollinated fruit achieved similar seed sets to diurnally pollinated fruit, indicating effective pollen transfer by night-flying visitors including Eupithecia .

Human Relevance

Potential contributor to crop pollination, specifically documented in apple production systems. Its role as a highlights the value of in agricultural that have historically received less research attention than daytime pollinators.

Similar Taxa

Other Eupithecia speciesExternal is often cryptic within this large ; reliable identification typically requires examination of male genitalia and comparison with .

More Details

Nocturnal pollination research

Eupithecia pinata was photographed on apple flowers during a 2021 study published in the Journal of Economic Entomology, which demonstrated significant contributions of insects to apple pollination in Arkansas. The study found that night-flying , including various , achieved pollination rates and seed sets comparable to daytime pollinators.