Two new species of Ablaptus Stål, 1864 are described and illustrated: A. costaricensis sp.n. and A. phoenix sp.n., both from Costa Rica. The female genitalia of A. brevirostrum Rolston, 1988 is described and key to the species of Ablaptus Stål, 1864 (only for females) is presented.
Pentatomidae; Discocephalini; Ablaptus; female genitalia; new species