Potential Distribution of Vesperoctenus flohri Bates (Coleoptera: Vesperidae), an Endemic Species in Mexico, and Intraspecific Variation in Male Genitalia

The currently known geographical distribution of Vesperoctenus flohri Bates, 1891 is reported, with new state records in Mexico, and its ecological affinities are provided. Vesperoctenus flohri is associated with medium- or high-altitude habitats, which are limited to mountainous areas of the subprovinces of El Cabo in the peninsula of Baja California and the Mexican Transition Zone (Sierra Madre Occidental, Sierra Madre Oriental, and Transmexican Volcanic Belt). In addition, we predict its potential range in high-altitude habitats in the Sierra Oriental of Oaxaca, Chiapas, and Central America. A study of the male genitalia showed a high degree of polymorphism in the tegmen, particularly in the roof and parameres.