00947nas a2200121   4500008004100000245015200041210012700193300001500320490000600335653001300341100002800354856044300382       1966                        eng d00aБиолого-екологични проучвания върху обикновената крушова листна бълха- Psylla pyri L.0 aБиологоекологични проучвания върху обикновената крушова листна б  a325– 3390 v310aBulgaria1 aХаризанов, А.  uhttps://psylloidea-bg.myspecies.info/content/%D0%B1%D0%B8%D0%BE%D0%BB%D0%BE%D0%B3%D0%BE-%D0%B5%D0%BA%D0%BE%D0%BB%D0%BE%D0%B3%D0%B8%D1%87%D0%BD%D0%B8-%D0%BF%D1%80%D0%BE%D1%83%D1%87%D0%B2%D0%B0%D0%BD%D0%B8%D1%8F-%D0%B2%D1%8A%D1%80%D1%85%D1%83-%D0%BE%D0%B1%D0%B8%D0%BA%D0%BD%D0%BE%D0%B2%D0%B5%D0%BD%D0%B0%D1%82%D0%B0-%D0%BA%D1%80%D1%83%D1%88%D0%BE%D0%B2%D0%B0-%D0%BB%D0%B8%D1%81%D1%82%D0%BD%D0%B0-%D0%B1%D1%8A%D0%BB%D1%85%D0%B0-psylla-pyri-l