Dyscharachthis Blackburn, 1900

Otto, Robert L., 2023, The false click beetles (Coleoptera: Elateroidea: Eucnemidae) of the Dominican Republic. Part I: A look into the past, Insecta Mundi 2023 (973), pp. 1-23 : 10

Genus Dyscharachthis Blackburn, 1900

Diversity and distribution. Dyscharachthis is a small group consisting of seven extant species distributed largely on the Australian continent. A single species has been described in South America. One species is present in the Far East Palearctic and Indo-Malayan regions. A number of undescribed species are present in both Australia and South America. Two extinct species have been described in Baltic amber.

Diagnosis. Apical margin of frontoclypeal region evenly rounded and more or less than twice as wide as the distance between antennal sockets; basally closed lateral antennal grooves present; antennae serrate and keeled on lateral sides; male prothoracic tarsomere I simple, without apical sex combs; metacoxal plates either medially 1.2–2.5 or 3.0–6.0 times wider than laterally; last visible ventrite either rounded or emarginate; tarsal claws simple; lateral surfaces of mesothoracic and metathoracic tibiae with setae only; male aedeagus dorsoventrally compressed, without secondary lateral lobes; median lobe simple, usually pointed apically, rarely rounded, entire; lateral lobes with apically secondary constriction, entire; aedeagal flagellum simple.