Morphodactyla Semenov, 1889

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 : 336

Genus Morphodactyla Semenov, 1889

Third antennomere without pubescence. Mentum tooth bifid. Pronotal laterobasal seta situated at margin. Lateral bead of prosternal process absent. Parascutellar seta present. Elytra glabrous, with two discal setae in the third interval; discal setae absent in the fifth and seventh intervals. Elytral microsculpture nearly isodiametric. Metepisternum elongated or short. Male protarsomeres dilated. Lateral grooves present on metatarsomeres I-IV. Apical gonocoxite elongated, moderately slender, with one ensiform seta at external margin; sensory pit of apical gonocoxite represented by a very small depression. Aedeagus left side up in repose; median lobe apical disc absent; apical hook of long paramere absent; membranous lobe of short paramere present.