Abstract
Based on my revision of types of southern South American species of Philonthus Stephens, 1829 and Gabrius Stephens, 1829 some nomenclatural changes are proposed. Five species of Philonthus are transferred to Gabrius resulting in the following new combinations: G. argentinus (Bernhauer, 1912), G. hornaditanus (Rambousek, 1925), G. jujuyensis (Bernhauer, 1921), G. nidicola (Bernhauer, 1921) and G. tucumanensis (Bernhauer, 1927). Philonthus hosmanni Bernhauer, 1912 is transferred to Heterothops Stephens, 1829 (Quediina). Five new synonymies within the genus Philonthus are proposed: P. tenebrosus Boheman, 1858 with P. quadraticeps Boheman, 1858 (valid name); P. catamarcanus Bernhauer, 1916 and P. weiseri Bernhauer, 1921 with P. bonariensis Bernhauer, 1909; P. emelinae Coiffait & Sáiz, 1968 with P. discoideus (Gravenhorst, 1802); Philonthus catamarcanus var. densior Bernhauer, 1916 with P. cribriventris Bernhauer, 1912. One old synonym is confirmed: P. perplexus Fairmaire & Germain, 1861 with P. longicornis Stephens, 1832. One new synonymy within the genus Gabrius is proposed: G. chiliensis Coiffait & Sáiz, 1968 with G. nigritulus (Gravenhorst, 1802). Lectotypes are designated for P. argentinus Bernhauer, 1912, P. bonariensis Bernhauer, 1909, P. catamarcanus Bernhauer, 1916, P. cribriventris Bernhauer, 1912, P. hornaditanus Rambousek, 1925, P. jujuyensis Bernhauer, 1921, P. nidicola Bernhauer, 1921, P. perplexus Fairmaire & Germain, 1861, P. quadraticeps Boheman, 1858, P. tenebrosus Boheman, 1858, P. tucumanensis Bernhauer, 1927 and P. weiseri Bernhauer, 1921.References
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