Protofarsus Muona, 2000

Genus Protofarsus Muona, 2000

Diversity and distribution. Protofarsus is a New World genus consisting of two species. Protofarsus caribicus Muona ( Fig. 1 View Figures 1–5 ) occurs in the Nearctic region and the Antilles ( Puerto Rico and U.S. Virgin Islands). Protofarsus convexus (Fisher) is present in the Nearctic region and Mesoamerica, distributed from southern Texas in the United States south through Panama.

Diagnosis. Apical margin of frontoclypeal region evenly rounded and more than twice as wide as the distance between antennal sockets; notosternal antennal grooves poorly developed; male prothoracic tarsomere I simple, without sex combs; metathoracic coxal plates medially 1.2–2.5 times wider than laterally; last visible ventrite rounded; lateral elytral ridge complete and well-developed along lateral sides of elytra; prothoracic pretarsal claws simple; lateral surfaces of mesothoracic and metathoracic tibiae with setae only; male aedeagus dorsoventrally compressed, with enlarged, setose secondary lateral lobes; median lobe with rounded apex; primary lateral lobes bilobed and apically setose; flagellum tubular ( Muona 2000).