Bug FAQCoffeeberry Midrib Gall Moth
Sorhagenia nimbosus · Order: Lepidoptera · Family: Cosmopterigidae
Also called: Midrib Gall Moth
The coffeeberry midrib gall moth lives in parts of western North America, including British Columbia, Washington, and California. Adults can be seen flying from early spring through fall, roughly March to October.
Source: Wikipedia
When you see it
Adults are on wing from March through October.
Source: Wikipedia
Where it comes from
Found in North America, recorded from British Columbia, Washington and California.
Source: Wikipedia
Where it is found in the US
Recorded in 4 of 51 states and DC. Most records: California, Oregon, Washington, Idaho.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Status: native in North America; native in United States. Source: iNaturalist
Months it is reported in the US
Source: GBIF
More photos
Questions people ask
When are coffeeberry midrib gall moths active?
Adults are active from March to October.
Source: Wikipedia
Where does the coffeeberry midrib gall moth live?
It has been recorded in British Columbia, Washington and California.
Source: Wikipedia
Same family (Cosmopterigidae)
Sources
- Wikipedia: https://en.wikipedia.org/wiki/Sorhagenia_nimbosus
Look it up elsewhere: GBIF · iNaturalist · BugGuide · Wikipedia
Text written 2026-10-24 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-24.