Based on 3,382 research-grade iNaturalist observations in California, Propertius Duskywing is most often recorded in April; in California it behaves like a seasonal. It ranks #36 among butterflies recorded in the state in our data.
Erynnis propertius
Propertius Duskywing 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 April
Monarch
Painted Lady
Variable Checkerspot
Mourning Cloak
Gray Buckeye
Umber Skipper
Anise Swallowtail
Western Tiger 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 Propertius Duskywing appear in California?
Mainly March–June, with the most records in April.
How common is Propertius Duskywing in California?
It ranks #36 by number of iNaturalist observations among butterflies in California (3,382 records in our sample).