Mournful Thyris, Pseudothyris sepulchralis Boisduval 1832. Dorsal view, taking nectar. Fern Valley Trail, U.S. National Arboretum, Washington, DC, USA. Photo by David L. Govoni ©2012.

EOL: eol.org/pages/267468/entries/34152284/overview
BaMoNA: www.butterfliesandmoths.org/species/Thyris-sepulchralis
Catalogue of Life: www.catalogueoflife.org/details/species/id/10604995