
Based on 1,757 research-grade iNaturalist observations in Arizona, Fatal Metalmark is most often recorded in September; in Arizona it behaves like a summer visitor / breeder. It ranks #23 among butterflies recorded in the state in our data.
Calephelis nemesis
Fatal Metalmark in Arizona 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 Arizona in September

Queen

American Snout

Pipevine Swallowtail
Bordered Patch
Ceraunus Blue

Empress Leilia
Sleepy Orange

Painted Lady
Places to look in Arizona
Desert Botanical Garden
Coronado National Forest
Boyce Thompson Arboretum
Tonto National Forest
Yuma Territorial Prison
Apache–Sitgreaves National Forests
FAQ
When does Fatal Metalmark appear in Arizona?
Mainly April–November, with the most records in September.
How common is Fatal Metalmark in Arizona?
It ranks #23 by number of iNaturalist observations among butterflies in Arizona (1,757 records in our sample).