The aim of our research was to study the entomopathogenic properties of phytopathogenic nematodes and to use these properties for biocontrol of Ips typographus. Bark beetle (Ips typographus) is from the family of beetles. It is just as damaging to forests as grasshopper for farmers. The damage caused to the pine and spruce population by pest Ips typographus in Georgia, Samtskhe-Javakheti region, reached a large scale. Experiments on phytopathogenic nematodes, their cultivation and obtaining nematode suspension were performed under laboratory conditions.The results showed that high entomopathogenic properties of phytonematodes (Aphelenchoides-sp.) were observed on beetle-typographs, 59.5%. Whose mortality depended on the species of nematode, on the temperature, and the concentration of nematodes. Finally, we can conclude that the effectiveness of phytopathogenic nematodes against beetle (Ips typographus) in laboratory conditions is really justified and it is possible to biocontrol this insect. In the future, the study will be conducted in forest conditions, with nematode suspension treatment of specific coniferous trees.

Keywords : Entomopathogenic nematodes, Aphelenchoides sp. Ips typographus, Spruce bark beetle