Bug FAQNorthern Marble
Euchloe creusa · Order: Lepidoptera · Family: Pieridae
Also called: Northern Marblewing
Caterpillars feed on Draba and other Brassicaceae species.
Source: Wikipedia
How to recognize it
The upper side is mostly white with black marks on the forewing tips and body. The underside has green-grey veins, especially on the hindwing.
Source: Wikipedia
Size
Wingspan ranges from about 24 mm to 36 mm.
Source: Wikipedia
What it eats
Larvae feed on Draba and other Brassicaceae plants.
Source: Wikipedia
Life cycle
Adults are active from late May to mid-July.
Source: Wikipedia
When you see it
The flight season runs from late May through mid-July.
Source: Wikipedia
Where it comes from
The northern marble occurs in northern North America.
Source: Wikipedia
Where it is found in the US
Recorded in 6 of 51 states and DC. Most records: Alaska, California, Arizona, Washington, Utah, Oregon.
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 see northern marble butterflies?
They are on the wing from late May to mid-July.
Source: Wikipedia
Same family (Pieridae)
Sources
- Wikipedia: https://en.wikipedia.org/wiki/Euchloe_creusa
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.