Bug FAQAmerican Sharp-angled Carpet
Euphyia intermediata · Order: Lepidoptera · Family: Geometridae
Also called: Sharp-angled Carpet, Sharp-angled Carpet Moth
The American sharp-angled carpet moth has a wingspan of about 21 to 27 mm. It lives across southern Canada and the northern United States, reaching as far south as North Carolina, California, Utah, and possibly Arizona, and north into the Northwest Territories and Alaska.
Source: Wikipedia
How to recognize it
Euphyia intermediata belongs to the Geometridae family of moths.
Source: Wikipedia
Size
Adults have a wingspan ranging from 21 to 27 mm.
Source: Wikipedia
What it eats
Caterpillars feed on a variety of plants such as bedstraw, carnation, chickweed, elm, and mustard.
Source: Wikipedia
Life cycle
Adults are active from April through September and produce one generation each year.
Source: Wikipedia
When you see it
Moths can be seen on the wing between April and September.
Source: Wikipedia
Where it comes from
Its range includes southern Canada and the northern United States, with extensions into the Northwest Territories and Alaska.
Source: Wikipedia
Lookalikes
The European species Euphyia unangulata was once thought to be the same as this North American moth, but they are now recognized as separate species.
Source: Wikipedia
Where it is found in the US
Recorded in 40 of 51 states and DC. Most records: Vermont, New York, Pennsylvania, Massachusetts, Wisconsin, New Hampshire, Maryland, Maine.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Status: native in North America; native in United States; native in Canada. Source: iNaturalist
Months it is reported in the US
Source: GBIF
More photos
Same family (Geometridae)
Willow BeautyPeribatodes rhomboidaria
Pale BeautyCampaea perlataDamages trees, gardens or crops
Large Lace-border MothScopula limboundataDamages trees, gardens or crops
Riband WaveIdaea aversata
Yellow Shell MothCamptogramma bilineata
Large Maple Spanworm MothProchoerodes lineolaDamages trees, gardens or cropsSources
- Wikipedia: https://en.wikipedia.org/wiki/Euphyia_intermediata
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.