Bug FAQOak Winter Highflyer and Allies
Hydriomena nubilofasciata · Order: Lepidoptera · Family: Geometridae
Also called: Oak Winter Highflier, Oak Winter Highflier Moth
The oak winter highflyer is a geometrid moth found in North America that shows up around oak trees in late January and February. Adult moths have a wingspan of about 24 to 30 mm.
Source: Wikipedia
How to recognize it
Hydriomena nubilofasciata, known as the oak winter highflyer, belongs to the Geometridae family of moths.
Source: Wikipedia
Size
Adults reach a wingspan of roughly 24 to 30 millimetres.
Source: Wikipedia
Where it lives
It is found in North America and is commonly seen around oak trees.
Source: Wikipedia
When you see it
These moths appear near oaks in late January and February.
Source: Wikipedia
Where it comes from
Its range includes North America.
Source: Wikipedia
Where it is found in the US
Recorded in 4 of 51 states and DC. Most records: California, Oregon, Washington, Arizona.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Months it is reported in the US
Source: GBIF
More photos
Questions people ask
When are oak winter highflyers active?
They are seen around oak trees in late January and February.
Source: Wikipedia
Same family (Geometridae)
Sources
- Wikipedia: https://en.wikipedia.org/wiki/Hydriomena_nubilofasciata
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.