Cockroach Resistance to Insecticides 

Pest Control Jul95

                                  DECADE OF         YEAR OF FIRST 
     INSECTICIDE CLASS          INTRODUCTION      REPORTED RESISTANCE 

  Chlorinated Cyclodienes         1940’s                1953
                      DDT         1940’s                1959
       Natural Pyrethrins         1940’s                1956
          Organophosphate         1950’s                1965
                Carbamate         1960’s                1976
               Pyrethroid         1970’s                1988

  Bait Active Ingredients:        
Abermectin, Hydramethylon         1980’s                1992-95
and Sulfuramid  

Source:  Bennett, G.*, and Scharf, M.* in Pest Control July 1995.
   *Purdue Department of Entomology