Abstract
A new genus (Borinken) and five new species (Borinken elyunque, Distigmoptera chamorrae, Kiskeya elyunque, Ulrica eltoro, and Ulrica iviei) from Puerto Rico are described and illustrated. A keyto all West Indian Monoplatini genera is provided, as are keys to all speciesof Kiskeya and to the speciesof Ulrica from Puerto Rico. A list of the flea beetle genera, along with the number of species and some of the faunal features is presented and discussed for the West Indies.
Highlights
The West Indies Islands are one of the World’s biodiversity hotspots (Myers et al.2000)
Among the West Indian genera of Monoplatini, Distigmoptera is mostly similar to Apleuraltica Bechyné
Apart from characters mentioned in the key, Distigmoptera can be differentiated from Apleuraltica by the antennae that are not clearly clubbed, antennomere six in males is only slightly different from antennomere seven and by the metatibial apex without a sharp denticle
Summary
The West Indies Islands are one of the World’s biodiversity hotspots (Myers et al.2000). 351 species of flea beetles in 53 genera are known to occur in the West Indies (Table 1). Epitrix parvula Fabricius is the most widespread flea beetle species, being found on most West Indian Islands and in North and Central America. The three most species rich genera in the West Indies are Aedmon Clark with 36 species, Homoschema Blake with 26 species, and Monomacra Chevrolat with 22 species Two of these most speciose genera are West Indian endemics. The moss-inhabiting Kiskeya Konstantinov and Chamorro-Lacayo has three species in the West Indies, two in the Dominican. Recent collecting efforts in Puerto Rico revealed unique flea beetles with several features rarely observed among flea beetle genera
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