Based on 1,962 research-grade iNaturalist observations in Colorado, Variegated Fritillary is most often recorded in July; in Colorado it behaves like a summer visitor / breeder. It ranks #7 among butterflies recorded in the state in our data.
Euptoieta claudia
Variegated Fritillary in Colorado 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 Colorado in July
Weidemeyer's Admiral
Two-tailed Swallowtail
Taxiles Skipper
Rocky Mountain Parnassian
Monarch
Western Tiger Swallowtail
Painted Lady
Small White
Places to look in Colorado
National ForestWhite River National Forest
Botanical GardenDenver Botanic Gardens
National ForestRio Grande National Forest
National ForestSan Juan National Forest
State ParkRoxborough State Park
State ParkMancos State Park
FAQ
When does Variegated Fritillary appear in Colorado?
Mainly May–October, with the most records in July.
How common is Variegated Fritillary in Colorado?
It ranks #7 by number of iNaturalist observations among butterflies in Colorado (1,962 records in our sample).