About Dythemis nigrescens Calvert, 1899
Dythemis nigrescens, commonly known as the black setwing, is a skimmer species that belongs to the dragonfly family Libellulidae. This species is found in Central America and North America. According to the International Union for Conservation of Nature, Dythemis nigrescens holds the conservation status "LC" (least concern), meaning there is no immediate threat to the survival of this species. Its population is currently stable, and its IUCN conservation status was most recently reviewed in 2017.