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Archive for the 'esfenvalerate' Category


11
Aug

Research Shows Commonly Used Pesticides Produce Greater Toxic Effect When Mixed

(Beyond Pesticides, August 11, 2011) A combination of eleven different kinds of commonly used pyrethroids were tested on mice in a new study which found that, at real-world exposure levels, the insecticides can produce heightened toxicity that is equal to the sum of each insecticide’s individual effect. The mixture of similar-acting insecticides works by over-stimulating […]

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30
Mar

Unprecedented Pesticide Contamination Found in Beehives

(Beyond Pesticides, March 30, 2010) Searching for clues to the mysterious disappearance of bees, known as “colony collapse disorder”(CCD), Penn State University researchers have identified widespread pesticide contamination of beehives. The study, “High Levels of Miticides and Agrochemicals in North American Apiaries: Implications for Honey Bee Health,” was published March 19, 2010 in the scientific […]

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16
Apr

Call For Action Against Bed Bug Resurgence

(Beyond Pesticides, April 16, 2009) The U.S. Environmental Protection Agency (EPA) convened the first ever National Bed Bug Summit (April 14-15, 2009) to solicit recommendations from scientists, state and local officials, pest control operators and the general public on how to tackle the resurgence of the blood sucking insects. Bed bugs have rebounded in significant […]

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22
Dec

Pesticide Exposure Kills Woman, Three Years Later EPA Files Complaint

(Beyond Pesticides, December 22, 2008) The U.S. EPA has filed an administrative complaint, seeking a maximum penalty of only $4,550, against a pest control company that sprayed pesticides in a couple’s home, causing the wife to die shortly thereafter. It has been more than three years since the incident took place in Florence, Oregon. Swanson’s […]

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22
Sep

Pyrethroid Pesticide Affects Puberty at Low Levels

(Beyond Pesticides, September 22, 2008) A study published in the September issue of Environmental Health Perspectives finds that low-dose, short-term exposure to esfenvalerate, a synthetic pyrethroid pesticide, delays the onset of puberty in rats at doses two times lower than U.S. EPA’s stated no observable effect level (NOEL) of 2.0 mg/kg/day. Synthetic pyrethroids are used […]

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