Repellent properties “Ektosan-pudratm” for insect Diptera

Keywords: insecticide; alpha-cypermethrin; repellent; flies; Stomoxys calcitrans


Development and research of new insecticides safe for nature is the actual problem of modern scientific works. The article is devoted to establishment of insecticide-repellent activity of the preparation “Ektosan-pudratm” (production of LLC “Brovafarma”, Ukraine) concerning the flies species of Stomoxys calcitrans Linnaeus, 1758. Flies of Stomoxys calcitrans are permanent and dominant (~ 90%) representatives of the entomological fauna on the territory of the animal husbandry enterprises of Ukraine and especially in Rivne region. The high mass activity of these flies is observed in September (at a daily average temperature of air +19-21°С and at night – +8-12 °С). This occurs despite the satisfactory sanitary condition of the experimental farm territory. The main place of flies’ localization (46.3%, p<0.05) on the body of cows is usually the anterior limbs – the area of metacarpal bone. “Ektosan-pudratm” is a combined insecticide based on alpha-cypermethrin (0.5%), purified sulfur (0.45%) and geraniol (0.6%). The research were conducted by testing the preparation on the cows in the conditions of stable nursing system of cattle. Powder was applied to the animals from the experimental group individually once by means of rubbing in the haircoat from head to tail and internal areas of the limbs. The cows from the control group were intact. The observation for the flies’ number after the cow’s treatment have shown that the high repellent effect of the remedy was kept during two days: the scare factor (SF) in 34 hours after the treatment was 78.7%. Relative protective action of “Ektosan-pudratm” lasts up to four days (SF 72.9%). The insecticidal effect of the preparation is increasing with the rise in ambient temperature to 20ºC and increased activity of flies (from 17.4 to 30.1 units / animal) than in the case of an attack on individual cows and temperatures below 10 °C. According to preliminary studies, the preparation excretion with milk is non-specific, which allows the use this insecticide without restrictions, depending on the need. However, due to the complexity of insecticide powder applying for cows it is recommended to apply the preparation in the farms with a small number of livestock.


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Shevchenko, A. M. (2019). Repellent properties “Ektosan-pudratm” for insect Diptera. Theoretical and Applied Veterinary Medicine, 7(2), 74-78.