ClassiIication, Natural History, and Evolution oI the SubIamily Peloniinae OPITZ (Coleoptera, Cleroidea, Cleridae). Part XIII. The New World genera oI checkered beetles of the Labasiella complex Author Opitz, Weston Research Associate, Florida State Collection of Arthropods, Division of Plant Industry / Entomology, Florida Department of Agriculture and Consumer Services, text Linzer biologische Beiträge 2019 2019-07-26 51 1 127 170 journal article 22873 10.5281/zenodo.3762392 78871bd6-f4f5-4104-a5f6-f333d3054bec 0253-116X 3762392 Macilentus micidus OPITZ , 2017a ( Figs 14 , 40 , 71 , 90 , 107 ) Macilentus micidus OPITZ 2017a: 67 . Holotype : ♀ . Argentina ,SantiagodelEstero,LagoMuyo, 29.III.22. IV.1957, col. R. Golbach ( IMLA ). Paratypes: 1 specimen . Argentina : Santiago del Estero , Lago Muyo , 29.III.22. IV.1957, col. R. Golbach ( WOPC ). Diagnosis: From superficially similar specimens of Oncochelyna barrigai , Macilentus micidus specimens are distinguishable by their subsecuriform terminal maxillary and labial palpomeres. Description: This species was adequately described and illustrated by OPITZ (2017a: 67) . Additional characteristics involve: Antenna as in Fig. 14 , pronotum as in Fig. 40 , elytral asetiferous punctation striate, epipleural margin serrulate along its entire length, habitus as in Fig. 90 , and aedeagus as in Fig. 107. Variation: Size: Length 5.0-6.0 mm; width 2.0-2.3 mm. Distribution ( Fig.71 ): This species is known only from Argentina .