Lauricalathus Machado, 1992

Schmidt, Joachim & Will, Kipling, 2020, A new subgenus for “ Acalathus ” advena (LeConte, 1846) and the challenge of defining Calathina based on morphological characters (Coleoptera, Carabidae Sphodrini), Zootaxa 4722 (4), pp. 326-338 : 332

Subgenus Lauricalathus Machado, 1992

Third antennomere without pubescence. Mentum tooth bifid. Pronotal laterobasal seta situated at margin or removed from side margin. Lateral bead of prosternal process present. Parascutellar seta present or absent. Elytra glabrous, with 2-12 discal setae in the third interval, with 0-10 setae in the 5th interval, and with 0-8 setae in the 7th interval. Elytral microsculpture nearly isodiametric. Metepisternum short. Male protarsomeres dilated or not. Lateral grooves present on metatarsomeres I-IV. Apical gonocoxite short to very short, robust, with two ensiform setae at external margin; sensory pit of apical gonocoxite well developed. Aedeagus left side up in repose; median lobe apical disc present or absent; apical hook of long paramere present or absent; membranous lobe of short paramere present.