Swift Pug

Eupithecia jejunata · Order: Lepidoptera · Family: Geometridae

No source yet on danger. We have no source yet on whether it bites, stings or damages anything.
Swift Pug
Photo: Jo Roberts, CC BY

The forewings are gray with a faint pattern. Adults fly from February through mid-May and may produce a partial second generation.

Source: Wikipedia

Life cycle

There can be a partial second generation.

Source: Wikipedia

When you see it

Adults are on the wing from February to mid-May.

Source: Wikipedia

Where it comes from

Its range includes the United States, covering eastern Texas, Arkansas, Missouri, Louisiana, Mississippi, Florida and coastal North Carolina.

Source: Wikipedia

Where it is found in the US

Recorded in 16 of 51 states and DC. Most records: Texas, Oklahoma, Maryland, Virginia, Florida, Georgia, Ohio, Pennsylvania.

Darker = more records. Counts are museum and citizen-science records, not population size.

Source: GBIF

Status: native in United States. Source: iNaturalist

Months it is reported in the US

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Source: GBIF

More photos

Swift Pug photo 2
Photo: IDClaire, CC BY
Swift Pug photo 3
Photo: Joshua Ebright, CC BY
Swift Pug photo 4
Photo: Jane Weeden, CC BY
Swift Pug photo 5
Photo: Annika Lindqvist, CC BY

Questions people ask

When are adult Swift Pugs active?

Adults are on wing from February through mid-May.

Source: Wikipedia

Same family (Geometridae)

Willow BeautyWillow BeautyPeribatodes rhomboidariaPale BeautyPale BeautyCampaea perlataLarge Lace-border MothLarge Lace-border MothScopula limboundataDamages trees, gardens or cropsSouthern Pine and Cypress AnglesSouthern Pine and Cypress AnglesMacaria bicolorataRiband WaveRiband WaveIdaea aversataYellow Shell MothYellow Shell MothCamptogramma bilineata

Sources

  • Wikipedia: https://en.wikipedia.org/wiki/Eupithecia_jejunata

Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia

Text written 2026-10-26 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-26.

How this page works

This is one bug's fact sheet. The colored box at the top says whether it is dangerous. Sections below cover how to recognize it, whether it is a pest, and how to deal with it. The US map shows which states have records; tap a state to see other bugs there.

Every fact on Bug FAQ comes from a named source (university extension sites, government agencies, GBIF, iNaturalist, Wikipedia). The source is linked next to each section. If we have no source for something, we leave it out.