Bug FAQCurrant Eulithis Moth
Eulithis propulsata · Order: Lepidoptera · Family: Geometridae
Mature larvae grow to about three centimeters long. The caterpillars feed on currant (Ribes) plants. In the southern Appalachians a single generation appears, with mature caterpillars from May through early July.
Source: Wikipedia
How to recognize it
Eulithis propulsata is commonly called the barred yellow or currant eulithis moth and belongs to the Geometridae family.
Source: Wikipedia
Size
Fully grown larvae measure roughly three centimeters.
Source: Wikipedia
Where it lives
This species occurs in North America.
Source: Wikipedia
What it eats
The larvae feed on currant (Ribes) plants.
Source: Wikipedia
When you see it
The caterpillars are active from May through early July in the southern Appalachians.
Source: Wikipedia
Where it comes from
It is native to North America.
Source: Wikipedia
Where it is found in the US
Recorded in 21 of 51 states and DC. Most records: Wyoming, Montana, Colorado, Alaska, Oregon, Washington, California, Idaho.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Status: native in North America; native in Canada; native in United States. Source: iNaturalist
Months it is reported in the US
Source: GBIF
More photos
Questions people ask
When can I expect to see the caterpillars?
Mature caterpillars appear from May to early July in the southern Appalachians.
Source: Wikipedia
Same family (Geometridae)
Sources
- Wikipedia: https://en.wikipedia.org/wiki/Eulithis_propulsata
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.