
Based on 2,313 research-grade iNaturalist observations in Colorado, Weidemeyer's Admiral is most often recorded in July; in Colorado it behaves like a summer visitor / breeder. It ranks #5 among butterflies recorded in the state in our data.
Limenitis weidemeyerii
Weidemeyer's Admiral 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

Two-tailed Swallowtail

Taxiles Skipper

Rocky Mountain Parnassian

Monarch

Variegated Fritillary

Western Tiger Swallowtail

Painted Lady

Small White
Places to look in Colorado
White River National Forest
Denver Botanic Gardens
Rio Grande National Forest
National ForestSan Juan National Forest
Roxborough State Park
Mancos State Park
FAQ
When does Weidemeyer's Admiral appear in Colorado?
Mainly June–August, with the most records in July.
How common is Weidemeyer's Admiral in Colorado?
It ranks #5 by number of iNaturalist observations among butterflies in Colorado (2,313 records in our sample).