Michigan State University Extension Pyrethroids (bifenthrin, beta-cyfluthrin, cyfluthrin, gamma- cyhalothrin , lambdacyhalothrin, pyrethrins, zeta-cypermethrin, deltamethrin and fenpropathrin) have good knockdown activity and seven to 10 days of residual control, but can be a concern in ... and more »
Stephenville Empire-Tribune I have had reports of the grasshoppers in extreme numbers eventually eating through the row covers. Homeowners can look at products containing cyfluthrin, bifenthrin , permethrin, cyhalothrin or carbaryl as an active ingredient. Make sure and read the ...
Times-Georgian Pyrethroid insecticides have the active ingredients that end in “thrin,” including betacyfluthrin, cyfluthrin, lambda-cyhalothrin and zeta- cypermethrin . Many brand names are available as these materials are off patent and offered by pesticide companies.