Author: Vasilina Maneva
aphids
13. Arthropod pests of ornamental plants in nurseries in the region of Pazardzik
Author: Atanaska Stoeva, Dimitar Damyanov
21. Efficacy ot chemical and biological insecticides against Hyalopterus Pruni Geof. /Hemiptera:Aphididae/
Author: Radoslav Andreev, Pavlin Vasilev
22. Aphidophagous in plum and peach agrocenosis in the region of Plovdiv
Author: Radoslav Andreev, Pavlin Vasilev