Based on 3,005 research-grade iNaturalist observations in Arizona, Gray Hairstreak is most often recorded in September; in Arizona it behaves like a seasonal. It ranks #8 among butterflies recorded in the state in our data.
Strymon melinus
Gray Hairstreak 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
Botanical GardenDesert Botanical Garden
National ForestCoronado National Forest
State ParkBoyce Thompson Arboretum
National ForestTonto National Forest
State ParkYuma Territorial Prison
National ForestApache–Sitgreaves National Forests
FAQ
When does Gray Hairstreak appear in Arizona?
Mainly February–October, with the most records in September.
How common is Gray Hairstreak in Arizona?
It ranks #8 by number of iNaturalist observations among butterflies in Arizona (3,005 records in our sample).