A new species of Oxelytrum Gistel (Coleoptera, Silphidae) from southern Argentina, with a key to the species of the genus Author Oliva, Adriana text ZooKeys 2012 203 1 14 http://dx.doi.org/10.3897/zookeys.203.2837 journal article http://dx.doi.org/10.3897/zookeys.203.2837 1313-2970-203-1 Oxelytrum biguttatum (Philippi) Localities. MACN: Argentina: Tucuman : Depto Tafi Viejo: San Jose , 2500 m, III-1933 (26°7167'S, 65°6167'W). La Rioja: Lamadrid: Nevado de Famatina: Los Co rrales : 2300-3000 m. 5-14-I-1931 (29°S, 67°85'W ). Rio Negro (no locality). 1981, Coll. C. Bruch. MNHN: Magallanes: Ojo Bueno, 20-1-1975, Cerda. (Mainland. 53°017'S, 70°867'W). Magallanes: Parque nacional Torres del Paine, Laguna Pehue . 12-12-1986. Leg.F. Soto. (Mainland.) Two syntypes, male and female, of which only the male has a handwritten label "Valdivia" . Dr M. Elgueta (pers. com.) suggests that this may be a mistake as all the material in the collections is from Magallanes Region.