Belostoma lanemeloi Ribeiro & Ferrari, sp. nov. and B. nieseri Ribeiro & Ferrari, sp. nov. A–E Male holotype of B. lanemeloi sp. nov. from Minas Gerais State, Brazil; F–J Male holotype of B. nieseri sp. nov. from Mato Grosso State. A Sclerite 1 of distal median plate of hindwing; B prosternal carina (lateral view); C–E male genitalia: phallosoma (phallotheca, dorsal arms, and diverticulum); C dorsal view; D ventral view; E lateral view; F sclerite 1 of the distal median plate of the hind wing; G prosternal carina (lateral view); H–J male genitalia: phallosoma (phallotheca, dorsal arms, and diverticulum); H dorsal view; I ventral view; J lateral view.