TY JOUR TI EVALUATION OF THE SPECIES DIVERSITY OF APHIDS (HEMIPTERA, APHIDIDAE) IN THE AGROCENOSIS OF VIZR EXPERIMENTAL FIELD IN PUSHKIN DISTRICT OF SAINT-PETERSBURG IN 2021-2023 KW monitoring KW aphids KW species diversity KW agrocenosis KW Malaise trap JO Vestnik of Kazan State Agrarian University AU Ovsyannikova, E.I. AU Berim, M.N. PY 2024 IS 19 PB Kazan state agrarian University