Bug FAQThoreau's Flower Moth
Schinia thoreaui · Order: Lepidoptera · Family: Noctuidae
The adult moth has a wingspan of about 32 mm. It lives in parts of North America, including several U.S. states and Canadian provinces. Adults are seen flying from June through August, and the caterpillars eat plants of the Ambrosia genus.
Source: Wikipedia
Size
Wingspan is roughly 32 mm.
Source: Wikipedia
What it eats
Larvae feed on species of the plant genus Ambrosia.
Source: Wikipedia
When you see it
Adults are on the wing from June to August.
Source: Wikipedia
Where it comes from
Its native range includes the same North American locations as its habitat.
Source: Wikipedia
Where it is found in the US
Recorded in 26 of 51 states and DC. Most records: Texas, Mississippi, Oklahoma, Kansas, Pennsylvania, Louisiana, Michigan, Missouri.
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
Questions people ask
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- Wikipedia: https://en.wikipedia.org/wiki/Schinia_thoreaui
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.