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Researchers find potential biocontrol for bed bugs

The life cycle of a bedbug. Image courtesy EPA.

Naturally occurring fungus may help where chemical pesticides are failing

By Summit Voice

SUMMIT COUNTY — The resurgence of common bedbugs is partly due to their increase resistance to insecticides — like many other nuisance species, they’ve evolved to develop an immunity to the toxins. But a team of researchers at the University of Pennsylvania say they may have discovered the key to effective biocontrol of the nuisance bugs — a natural fungus that causes disease in insects.

In the study, the researchers used an airbrush sprayer to apply spore formulations of the Beauveria bassiana fungus to paper and cotton jersey, a common bed sheet material. Then control surfaces, again paper and cotton jersey, were sprayed with blank oil only. The surfaces were allowed to dry at room temperature overnight. Continue reading

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