HELPFUL ENTOMOLOGICAL FAUNA REACTION TO SPIROHIDANTOINS

Zheko Radev

Abstract


A study was conducted to determine the reaction of honey bees of the species Apis mellifera L. to a substance in the spirohidantoin group. The results up to the first hour in the experimental group of the study showed a convulsion and subsequent death of bees who consumed syrop with the used substance. By the end of twelve hour since beginning of the study, bees in two cages from the experimental group were dead, and by the end of the second day, the bees in the other cages were dead. The results in the control group indicate no deaths in the first two days, where the bees consumed pure food. The bee mortality begins on day three, on the ninth day the bees in three of the control cages died, and on the tenth day the bees from another cage also died. In the other two cages, the life span of the bees was fourteen and twentyfour days.

The study and reported results shows the influence of the active substance over honey bees and their life span. More deep stydies are needed in this area of research, and needs to be done outside laboratory tests, analysis with hives.

Keywords


honey bees, Apis mellifera, spirohidantoins, pesticides

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References


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