As of 1 April 2026, the PSJD database will become an archive and will no longer accept new data. Current publications from Polish scientific journals are available through the Library of Science: https://bibliotekanauki.pl
Propolis Production by Honey Bee Apis Mellifera (hymenoptera: Apidae) and its Potential for the Management of the Larger Grain Borer Prostephanus Truncatus (Horn) (coleoptera: Bostrichidae) On Maize Grains