The broad definition of biological suppression of pests, i.e. the use of various organisms or products of their vital activity to cause damage to a harmful insect, includes many new unique and promising methods. Understanding the need for further study of the biology and ecology of harmful insects and their current potential natural enemies resulted in a number of new methods. They, in turn, led to the emergence of terms such as regulated pest control, bioecological control, an integrated control method, ecologized and ecological plant protection, and pest control systems. The components and methods of biological control used and studied now include parasitoids, predators, various pathogenic agents, and in addition, pheromones, attractants and hormones. Based on traditional objects used in the biomethod, genetically modified organisms are created that can independently resist phytophages. Ecologically safe methods of protecting plants from pests and diseases are everywhere included in agricultural practice, and systems of organic farming are being actively introduced. Thus, studies on the use of safe methods for plant protection from pests in relation to specific climatic and geographical conditions are relevant. In this regard, the current paper presents the results of a study of the effectiveness of Shin-Yetsu dispensers in relation to the conditions of cultivation of fruit trees in the North Caucasus region.

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