| The synthetic pyrethroids are more stable than the pyrethrins, and are equally or more potent pesticides. |
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| These synthetic chemicals mimic the action of natural pyrethrins derived from chrysanthemum flowers. |
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| Citrus-oil products, pyrethrin products, as well as those with pyrethrins and diatomaceous earth, may be effective. |
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| If you absolutely have to, you can spray with an insecticidal soap or insecticide that contains pyrethrins. |
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| Many of these sprays contain one or more of a group of insecticidal compounds known as pyrethrins. |
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| Traditional pharmaceutical treatments include two main pesticides, lindane and pyrethrins. |
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| After the extraction of pyrethrins, a total of 9 parts out of 10 parts are left in the powder form, which is known as pyrethrum marc. |
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| Effect of basal and side dressed phosphorus on the achene yield and pyrethrins concentration in the achenes of Pyrethrum and on soil and plant phosphorus. |
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| Pyrethrins act as an axionic excitotoxin on bed bugs, which effectively paralyzes them by messing with the sodium channels that regulate their nerve cells. |
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