Based on 2,214 research-grade iNaturalist observations in California, Bernardino Blue is most often recorded in June; in California it behaves like a seasonal. It ranks #49 among butterflies recorded in the state in our data.
Euphilotes bernardino
Bernardino Blue in California by month
Bars show research-grade observations per month. They mix true seasonality with how often people are outdoors, so treat small numbers with caution.
Also seen in California in June
Monarch
Gray Buckeye
Western Tiger Swallowtail
Variable Checkerspot
Small White
Anise Swallowtail
California Sister
Pale Swallowtail
Places to look in California
Botanical GardenThe Huntington Library, Art Museum, and Botanical Gardens
State ParkHearst Castle
Botanical GardenSan Francisco Botanical Garden
State ParkAnza-Borrego Desert State Park
National ForestAngeles National Forest
National ForestSequoia National Forest
FAQ
When does Bernardino Blue appear in California?
Mainly May–June, with the most records in June.
How common is Bernardino Blue in California?
It ranks #49 by number of iNaturalist observations among butterflies in California (2,214 records in our sample).