Wikipedia
Heteropacha
Heteropacha is a genus of moth in the family Lasiocampidae. It consists of only one species Riley's lappet moth (Heteropacha rileyana), which can be found in Mississippi, Missouri, Texas and Georgia.
The wingspan is 27–36 mm. The moths are on wing from late April to August.
The larvae feed on Gleditsia triacanthos.