Systropus macer
Systropus macer is a species of bee fly in the family Bombyliidae. It is found in eastern North America in Ontario, Canada, and in the United States from Massachusetts south to Georgia and Texas. It is a parasitoid of Limacodidae caterpillars, including Adoneta spinuloides, Euclea delphinii, Lithacodes fasciola, Prolimacodes badia, and Parasa indetermina.