Nason’s Slug Moth
Natada nasoni fam. Limacodidae (Hodges#4679)
Host plant(s): northern red oak (Quercus rubra), hackberry (Celtis occidentalis), white oak (Quercus alba)
Date(s) and location(s): 23, 31 Aug, 2025 – Tyson Research Center, St. Louis County, MO
Notes: West of the Mississippi River, this species is rarely found north of the Missouri River.
A Thousand Acres of Silphiums 
Your knowledge of species host trees are on display on all of your caterpillar images. Impressive work as always, Bill.
Thanks Miguel! If only I knew the plants as well as I should. I can typically get them to family or genus, but I need to improve.