In this note 18 species of Caleoptera Scarabaeidae are reported as new for the fauna of Nicaragua : Pelidnota hirsutiphallica RATCLIFFE & JAMESON, 1989; Isonychus ocellatus BURMEISTER, 1855; Anomala semitonsa BATES, 1888; Anomala specularis BATES, 1888; Anomala near caliigrapha BATES, 1888; Anornala near hispidula BATES, 1888; Trigonopeltastes geometric8 SCHAUM, 1841; Ligyrus gyas (ERICHSON, 1848); Cyclocephala confuse ENDRODI, 1966; Cyclocephala discolor HERBST, 1792; Cyclocephala erotylina ARROW, 1914; Cyclocephala stictica BURMEISTER, 1847; Erioscelis near columbica ENDRODI, 1969; Stenocrates bicarinetus ROBINSON, 1947; Stenocrates near hardyi DECHAMBRE, 1985; Stenocrates laevicollis KIRSCH, 1870; Onthophagus gazelle (FABRICIUS, 1787); Uroxys gorgon ARROW, 1933.