Controls soft-bodied insects like aphids, thrips, whiteflies and mites. Available in liquid and aerosol products for flea dips and shampoos. Found in powders and sprays as well as in flea and tick products for pets. Pyrethrins can be toxic to cats. Repellents These repel pests.
Examples are citronella candles and sprays made from onion, garlic or citrus.
Avoid placing sticky glues on bark to avoid tree damage. Traces of certain synthetic pesticides, especially diazinon, have been getting into Fort Worth's sewer system, going through the treatment plant and into the Trinity River. EPA tests show the pesticides are at high enough levels to kill certain organisms and potentially harm the river's water quality. The only guaranteed way to keep synthetic pesticides out of the sewer system is for residents to stop using diazinon and decrease the use of other pesticides.