White portion of the postmedian band is wider than that of R. lebeau . Adults in Sonora, Mexico mate in the early morning and females lay eggs in clusters beginning at dusk.
Young caterpillars are gregarious feeders, but older ones are solitary.
The cocoon is attached to a twig by a strong silk stem. One brood in Arizona from July-August. Diverse habitats ranging from dry desert to riparian areas. GU - Unable to assign rank due to lack of available information. A field guide to the moths of eastern North America.