New species described and illustrated from Bolivia (Santa Cruz), in Ectenessini: Ectenessa zamalloae sp. nov. and Bomarion amborense sp. nov.; in Eburiini: Beraba pallida sp. nov.; in Piezocerini: Gorybia quadrispinosa sp. nov. and in Tillomorphini: Epropetes bolivianus sp. nov.; from Costa Rica (Guanacaste): Xalitla lezamai sp. nov.
Ectenessini; Ibidionini; Neotropical; Piezocerini; Tillomorphini
