Influence of anti-varroatosis preparations on exterior signs of drone bees

Pesticides are used intensively all over the world. They have become indispensable components in the technological schemes of agrotechnical work of the agricultural enterprises. Drone bees can be exposed to a wide range of chemicals, both from the environment and from the beekeeper himself. The object of the research work is the drone bee. The purpose of the research was to study the effect of drugs for the treatment of varroatosis on the conformational signs of drone bees. The research was carried out on drones of the breed type “Prioksky”. An effect of the following preparations against the Varroa mite: Bipin-T with the active ingredient amitraz (acaricide, hazard class 3), Fluvalinat with the active ingredient fluvalinate (acaricide, hazard class 3) and Bisanar with the active ingredient thymol was assessed. A morphometric analysis of drones of the control and experimental groups was carried out according to the following parameters: cubital index, discoidal displacement, width and length of the third tergite. The body weight of the drones was also determined. According to the data obtained, it was found that the drugs used for treating varroatosis influenced the exterior signs of drone bees. In terms of discoidal displacement, all three experimental groups, treated with different drugs for the treatment of varroatosis, significantly differed from the control one. The discoidal displacement of the drones of the experimental groups did not correspond to the standard of the breed type “Prioksky”. The treatment of bees with anti-varroatosis drugs also led to a decrease in the width of the third tergite, cubic index, and body weight of drones of the experimental groups. The width of the third tergite in the experimental groups decreased by 0.1-0.3 mm, the value of the cubinal index - by 4.8-13.3%.