Painted daisies (Tanacetum coccineum) make great companions for ... nightmare because it produces a natural insecticide known as pyrethrin. Pyrethrin is the active ingredient in many commercial ...

The active ingredient in Rid is an insecticide called pyrethrum extract. Rid also contains an ingredient called piperonyl butoxide. This helps the pyrethrum extract work better because it prevents ...

If you don’t have pets and are looking for how to kill fungus gnats safely, consider spraying your plants and the surface of their soil with a pyrethrin solution. Pyrethrins are natural ...

J. Amer. Chem. Soc., 71, 366 (1949). Chem. Soc., 6 (1930). Nature, 164, 707 (1949). Abstracts of Papers presented at the 116th Meeting of the American Chemical ...