Based on 3,024 research-grade iNaturalist observations in Washington, Lorquin's Admiral is most often recorded in June; in Washington it behaves like a summer visitor / breeder. It ranks #3 among butterflies recorded in the state in our data.
Limenitis lorquini
Lorquin's Admiral in Washington 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 Washington in June

Western Tiger Swallowtail

Pale Swallowtail

Small White

Clodius Parnassian

Boisduval's Blue

Snowberry Checkerspot

Painted Lady

California Tortoiseshell
Places to look in Washington
Gifford Pinchot National Forest
Olympic National Forest
Peace Arch Park
Colville National Forest
Mount Baker–Snoqualmie National Forest
Bellevue Botanical Garden
FAQ
When does Lorquin's Admiral appear in Washington?
Mainly June–August, with the most records in June.
How common is Lorquin's Admiral in Washington?
It ranks #3 by number of iNaturalist observations among butterflies in Washington (3,024 records in our sample).