The book presents the results of studies of the species composition of insects in the territory of the Belovezhskaya Pushcha National Park. Lists of all species found on the territory of the reserve are given; many species previously listed are excluded from the list as incorrectly defined; for species first noted on the territory of the reserve and included in the Red Book, detailed information on the places of finds is given; a bibliographic list of works containing information about insects of the Belovezhskaya Pushcha National Park has been compiled.