Based on 9,485 research-grade iNaturalist observations in Texas, Ceraunus Blue is most often recorded in October; in Texas it behaves like a seasonal. It ranks #29 among butterflies recorded in the state in our data.
Hemiargus ceraunus
Ceraunus Blue in Texas 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 Texas in October
Monarch
Gulf Fritillary
Queen
Fiery Skipper
Gray Hairstreak
Common Buckeye
Pipevine Swallowtail
American Snout
Places to look in Texas
State ParkDinosaur Valley State Park
Botanical GardenSan Antonio Botanical Garden
State ParkGarner State Park
State ParkBrazos Bend State Park
State ParkPedernales Falls State Park
State ParkEnchanted Rock State Natural Area
FAQ
When does Ceraunus Blue appear in Texas?
Mainly July–November, with the most records in October.
How common is Ceraunus Blue in Texas?
It ranks #29 by number of iNaturalist observations among butterflies in Texas (9,485 records in our sample).