Bug FAQSnowy Geometer Moth
Eugonobapta nivosaria · Order: Lepidoptera · Family: Geometridae
Also called: Snowy Geometer
The snowy geometer moth is Eugonobapta nivosaria and has a wingspan of about 21 to 33 mm. It is found across North America from Manitoba to New Brunswick and south to North Carolina and Tennessee. Adults are on the wing from April or May through July or August, and there are two generations each year.
Source: Wikipedia
How to recognize it
The snowy geometer moth is called Eugonobapta nivosaria.
Source: Wikipedia
Size
Its wingspan ranges from about 21 to 33 millimeters.
Source: Wikipedia
Where it lives
It lives in North America from Manitoba east to New Brunswick and south to North Carolina and Tennessee.
Source: Wikipedia
Life cycle
There are two generations per year.
Source: Wikipedia
When you see it
Adults fly from April or May through July or August, depending on location.
Source: Wikipedia
Where it comes from
Its native range covers the same area in North America.
Source: Wikipedia
Where it is found in the US
Recorded in 29 of 51 states and DC. Most records: Ohio, New York, Pennsylvania, Michigan, Vermont, Wisconsin, Massachusetts, 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
Questions people ask
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- Wikipedia: https://en.wikipedia.org/wiki/Eugonobapta
Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia
Text written 2026-10-23 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-23.