The Abductors, or Reticulii were an advanced civilization who were known to have visited Earth in the 20th century, notable for performing medical procedures on unsuspecting Humans. They sought to undo the ecological damage caused by the Preservers. These aliens were referred to as Abductors when appearing in "Odyssey's End", but matched the description of the Reticulii in Preserver and The Fall of Terok Nor. Based on their name, it seems likely that the Reticulii could originate in the constellation of Reticulum.