Especies nuevas de avispas de las Antillas (Hymenoptera: Trigonalidae, Crabronidae, Sphecidae)

The following new Antillean taxa are described: Taeniogonalos estebani (Trigonalidae, female and male, Hispaniola); Cerceris ayti (male, Hispaniola), C. surieli (Crabronidae, female and male, Hispaniola); Isodontia poeyi antillana (Sphecidae, female, Hispaniola and Puerto Rico) and Pseneo alayoni (Crabronidae, female, Hispaniola). Isodontia constituted the first record of the genus from Hispaniola and Puerto Rico, since Pseneo from Hispaniola. A summary about distribution, prey used to provision the nests and how they fit into the groups created by Scullen (1965, 1972) for the Antillean species of Cerceris is presented.