The paper includes the results of research on species of harmful saproxylic coleoptera from the Buprestidae, Curculionidae and Cerambycidae families. The coleoptera were collected from the „Pădurea Domnească” and „Plaiul Fagului” Reserves in the period May-September 2015-2022, using the entomological net, manually and by the method of trunk traps. Manually collected were 7 species of xylophagous coleoptera, 4 species with the help of the entomological net and 10 species with the help of trunk traps. Common to both researched Reserves were 6 species, 5 species were collected from the „Pădurea Domnească” Reserve and 10 species from the „Plaiul Fagului” Reserve.