Author: Stancho Petrov
biodiversity
38. Biodiversity of the entomophages of Proctotrupoidea (Hymenoptera) in fruit plantations in the region of Plovdiv. VII. Parasitic hymenoptera in the biological fight against pests in fruit gardens.
Author: Stancho Petrov
39. Entomophagy of the superfamilies Proctotrupoidea, Platygastroidea and Ceraphronoidea (Hymenoptera) in apple orchards in the Agricultural University of Plovdiv
Stancho Petrov, Svetlana Kononova