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The traditional method for controlling most of pests is the application of chemical pesticides, which has generated complex problems including: insecticide resistance; outbreaks of secondary pests normally held in spectrum pesticides, the elimination of natural enemies and disruption of natural ecosystems, and the fear on the part of the public that continued use of chemical insecticides will further contaminate the environment particularly the food and water supply with persistent and harmful chemicals .
Thus, the critical need for safe and effective alternatives to chemical insecticides has stimulated considerable interest in using biological control agents for insects of agricultural and medical importance.
Consequently, increasing attention has been directed toward natural enemies such as predators, parasites, and pathogens.
Unfortunately, none of the predators or parasites can be mass produced and stored for long periods of time, since they all must be raised in vivo.
It has become evident that there is an urgent need for a biological agent, possessing the desirable properties of a chemical pesticide making it highly toxic to the target organism, which can be mass produced.
Berhanu Hiruy was graduated in biology (BED) from Alemaya University in 2003 and in applied entomology (MSc) from Addis Ababa University of Ethiopia in 2010.
Then, he was served being a lecturer in Arba Minch University.
Currently he is a PhD student in applied entomology in AAU.
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