Updated catalog and generic keys of the Leiodidae (Insecta: Coleoptera) of the Neotropical region (“ Latin America ”: Mexico, the West Indies, and Central and South America) Author Peck, Stewart B. Author Gnaspini, Pedro Author Newton, Alfred F. text Zootaxa 2020 2020-02-18 4741 1 1 114 journal article 22512 10.11646/zootaxa.4741.1.1 a9286570-20d6-4a5b-af31-d4717ed26de9 1175-5326 3772899 2F901615-D948-4C68-81E9-75282F594BAF Key to Genera of Ptomaphagini of Latin America (modified from Gnaspini, 1998 and Salgado, 2008b ) 1a Anterior tibiae with distinct comb of short spines on outer margin, as well as apex; mesepisternum transverse, as wide as inner edge as at outer edge; Mexico , West Indies..............................Subtribe Ptomaphaginina : Proptomaphaginus 1b Anterior tibiae with comb of short spines only at apex; mesepisternum trapezoidal, wider on outer edge than inner edge................................................................................... Subtribe Ptomaphagina ... 2 2a Ventrite VI with a longitudinal keel............................................................ Adelopspeleon 2b Ventrite VI without a longitudinal keel.................................................................... 3 3a Last segment of maxillary palp conical, much shorter than penultimate segment; antenna mostly slender, giving an impression of being elongate; widespread.................................................................. Paulipalpina 3b Last segment of maxillary palp conical, subequal and a little longer than penultimate segment; antenna normal, may be elongate in troglobitic species................................................................................... 4 4a Aedeagus short, with ventral opening............................................................... Peckena 4b Aedeagus short or elongate, with opening always dorsal, cutting from medially to the left side........................ 5 5a Aedeagus with opening cutting medially; flagellum of internal sac longer than aedeagus............................. 6 5b Aedeagus with opening cutting left side; flagellum of internal sac shorter than or subequal to aedeagus................. 7 6a Extremely long flagellum, which rests completely coiled inside the aedeagus; Venezuela ..................... Amplexella 6b Flagellum longer than aedeagus, with basal bulb resting outside aedeagus; widespread................. Parapaulipalpina 7a Aedeagus short and broad, opening cutting left side, right of the apical setae; spiculum gastrale of genital segment broad (rectangular or saddle-shaped plate); widespread......................................................... Adelopsis 7b Aedeagus elongate, opening cutting left side, left of the apical setae; spiculum gastrale of genital segment straight and thin, sometimes elongate; Mexico to Brazil ........................................................... Ptomaphagus