Bed Bugs, Nearly Eradicated, Make a Comeback

WEDNESDAY, Jan. 14 (HealthDay News) -- A resistance to insecticides appears to be why bed bugs are making a comeback in some urban areas, a new study says. Bed bugs in New York City, where infestations have grown in recent years, appear to have developed nerve cell mutations that weaken the effect of the pyrethroid toxins, such as deltamethrin, commonly used against them, according to a report in the current issue of the Journal of Medical Entomology. Such nervous system poisons normally...Full Story
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