October 04, 2011
Image of Pyriproxyfen 3D Image of Pyriproxyfen

Pyriproxyfen, like last week’s molecule, spinosyn A, is an insecticide. It is marketed in the United States under the trade names Distance and Nylar. Commonly used to combat fire ants, it is applied to the ground in a bait. Worker ants carry it to the colony, where it kills all of the ants, including the queen.

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