Bug FAQEarly Brown Pug
Eupithecia columbiata · Order: Lepidoptera · Family: Geometridae
The early brown pug moth has a wingspan of about 13 to 24 mm. It lives across North America from eastern Canada to Vancouver Island and south to North Carolina and Colorado. Adults fly in spring, roughly mid-April to mid-June in Alberta.
Source: Wikipedia
How to recognize it
Eupithecia columbiata is a geometrid moth first described by H. G. Dyar in 1904.
Source: Wikipedia
Size
Its wingspan ranges from 13 to 24 mm.
Source: Wikipedia
What it eats
The caterpillars feed on a variety of trees and shrubs, including alder, birch, willow, poplar, maple, and many others.
Source: Wikipedia
Where it comes from
The species is native to North America, covering the same regions as its habitat.
Source: Wikipedia
Where it is found in the US
Recorded in 26 of 51 states and DC. Most records: Vermont, Massachusetts, Michigan, New York, New Jersey, North Carolina, Pennsylvania, Connecticut.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Status: native in North America; native in Canada. Source: iNaturalist
Months it is reported in the US
Source: GBIF
More photos
Same family (Geometridae)
Sources
- Wikipedia: https://en.wikipedia.org/wiki/Eupithecia_columbiata
Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia
Text written 2026-10-25 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-25.