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Bifenthrin is an effectively used insecticide, but the risk is high of it working only for a short time. Mosquitoes can develop a resistance to it, as well. [8] Aquatic life. Bifenthrin is hardly soluble in water, so nearly all bifenthrin will stay in the sediment, but it is very harmful to aquatic life.
Green says residual insecticides (synthetic pyrethroids) with the active ingredient, bifenthrin, can help suppress chiggers, but spraying large areas can kill beneficial insects and pollinators.
Insecticides are pesticides used to kill insects. [1] They include ovicides and larvicides used against insect eggs and larvae , respectively. The major use of insecticides is in agriculture , but they are also used in home and garden settings, industrial buildings, for vector control , and control of insect parasites of animals and humans.
Synergists make pyrethrin more effective, allowing lower doses to be effective. Pyrethrins are effective insecticides because they selectively target insects rather than mammals due to higher insect nerve sensitivity, smaller insect body size, lower mammalian skin absorption, and more efficient mammalian hepatic metabolism. [21]
The pesticide manual provides much information on pesticides. [6] [7] Many of the insecticides in the list are not in use. The developer of a pesticide applies for a common name when they intend to sell it, but some nevertheless do not reach the market. Many insecticides have been banned or otherwise withdrawn from the market over the decades.
Cypermethrin is a broad-spectrum insecticide, which means it kills beneficial insects as well as the targeted insects. [14] Fish are particularly susceptible to cypermethrin, [15] [16] but when used as directed, application around residential sites poses little risk to aquatic life. [17]