Bug FAQEuchlaena mollisaria
Euchlaena mollisaria · Order: Lepidoptera · Family: Geometridae
The wingspan is about 46 mm. The wings are a clay-fawn shade with a lighter middle area, scattered dark striations, and a whitish spot near the tip. It occurs in North America, recorded from southern California and Colorado northward to Montana and British Columbia.
Source: Wikipedia
Size
Wingspan measures roughly 46 mm.
Source: Wikipedia
Where it lives
It is found in North America.
Source: Wikipedia
Life cycle
Adults are on the wing from May through September.
Source: Wikipedia
When you see it
Adults are active from May to September.
Source: Wikipedia
Where it comes from
Its range includes southern California, Colorado, Montana and British Columbia.
Source: Wikipedia
Where it is found in the US
Recorded in 16 of 51 states and DC. Most records: Montana, South Dakota, Colorado, Idaho, California, Nevada, Utah, Oregon.
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
Questions people ask
Same family (Geometridae)
Sources
- Wikipedia: https://en.wikipedia.org/wiki/Euchlaena_mollisaria
Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia
Text written 2026-10-27 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-27.