Bug FAQPacific Fritillary
Boloria epithore · Order: Lepidoptera · Family: Nymphalidae
Also called: Western Meadow Fritillary
The Pacific fritillary is a butterfly in the Nymphalidae family. Its wingspan is about 34 to 44 mm (1.3 to 1.7 in).
Source: Wikipedia
How to recognize it
It belongs to the butterfly family Nymphalidae.
Source: Wikipedia
Size
The wingspan measures roughly 34 to 44 mm (1.3 to 1.7 in).
Source: Wikipedia
What it eats
The larvae feed on the plant Viola ocellata.
Source: Wikipedia
Life cycle
Adults are on the wing from June to July.
Source: Wikipedia
When you see it
The butterfly flies during June and July.
Source: Wikipedia
Where it comes from
Its native range covers western North America, including California, British Columbia and Alberta.
Source: Wikipedia
Where it is found in the US
Recorded in 11 of 51 states and DC. Most records: California, Oregon, Washington, Idaho, Montana, Ohio, Wyoming, Alaska.
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
Same family (Nymphalidae)
Sources
- Wikipedia: https://en.wikipedia.org/wiki/Boloria_epithore
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.