Zur Frage der Synonymie von Oxyagrion rubidum (Rambur, 1842) und O. rufulum (Hagen, 1861) (Zygoptera: Coenagrionidae)

Literature on the 2 taxa is discussed and the results of comparing body coloration, anal appendages and penile organ of Chilean males with a single male from Buenos Aires. Argentina, are reported. The 2 taxa are considered of subspecific rank. viz. O. rubidum rubidum (Ramb.. 1842) from Argentina (with black and blue markings on the abdomen), and O. r. rufulum (Hag., 1861) from Chile (with a monochromatic reddish abdomen).