Deltometopus Bonvouloir, 1871

Otto, Robert L., Muona, Jyrki & Córdoba-Alfaro, Jim, 2023, A new genus and sixteen new species of false click beetles (Coleoptera: Eucnemidae) described from the Heredia Province of Costa Rica with several additional records from the Osa Peninsula and Panama, Insecta Mundi 2023 (991), pp. 1-36 : 29

Genus Deltometopus Bonvouloir, 1871

Diversity and distribution. Deltometopus is a small group consisting of 11 described species distributed in the Neotropical and Nearctic regions. Nine described species are present in the Neotropical region. There are also an indeterminate number of undescribed species present in the region. Currently, two species are present in the Nearctic region.

Diagnosis. Apical margin of frontoclypeal region fairly evenly rounded and more than twice as wide as the distance between antennal sockets; well developed, apically widened, open lateral antennal grooves present; male prothoracic tarsomere I simple, without sex combs; metacoxal plates medially 1.2–2.5 times wider than laterally; frons simple; last visible ventrite either rounded or acute; simple tarsal claws; lateral surfaces of mesothoracic and metathoracic tibiae either with setae only or with setae and irregularly placed spines; male aedeagus dorsoventrally compressed, with laterally attached secondary lateral lobes; median lobe simple, moderately and narrowly bifurcate apically; lateral lobes simple, entire; aedeagal flagellum simple ( Muona 1993, 2011).