Gray Hairstreak
Strymon melinus fam. Lycaenidae (Hodges#4336)
Host plant: Found on partridge pea (Chamaecrista fasciculata)
Date found: 07, Aug, 2025
Location found: Backyard prairie patch, St. Louis County, MO
Notes: After years of searching for a hairstreak caterpillar, I found 11 of these guys in one evening while searching the backyard prairie with a UV flashlight. Plant partridge pea!
A Thousand Acres of Silphiums 