Dineutus longimanus is the only member of the genus to possess a spine at the apex of each elytron. This species is endemic to the Antilles (Gustafson and Miller, 2015).
Photo data (top photo): 19 March 2015. Bosque Estatal Rio Abajo, Puerto Rico.
Photo data (bottom photo): 23 January 2020. Sierra de Bahoruco National Park, Dominican Republic.
GPS data (bottom photo): 18.3180, -71.5742. Elevation 403 meters.
Determined by: Dr. Grey Gustafson, University of Kansas.