A consortium of microorganisms, wherein the microorganisms are initially exposed to increasing first fractions of a lethal dose of thiodicarb, subsequently exposed to increasing first fractions of a lethal dose of bifenthrin, subsequently exposed to increasing second fractions of a lethal dose of thiodicarb, wherein the second fractions of a lethal dose of thiodicarb are greater than the first fractions of a lethal dose of thiodicarb, subsequently exposed to increasing second fractions of a lethal dose of bifenthrin, wherein the second fractions of a lethal dose of bifenthrin are greater than the first fractions of a lethal dose of bifenthrin, subsequently exposed to increasing third fractions of a lethal dose of thiodicarb, wherein the third fractions of a lethal dose of thiodicarb are greater than the second fractions of a lethal dose of thiodicarb, subsequently exposed to increasing third fractions of a lethal dose of bifenthrin, wherein the third fractions of a lethal dose of bifenthrin are greater than the second fractions of a lethal dose of bifenthrin, subsequently exposed to increasing fourth fractions of a lethal dose of thiodicarb, wherein the fourth fractions of a lethal dose of thiodicarb are greater than the third fractions of a lethal dose of thiodicarb, subsequently exposed to increasing fourth fractions of a lethal dose of bifenthrin, wherein the fourth fractions of a lethal dose of bifenthrin are greater than the third fractions of a lethal dose of bifenthrin, subsequently exposed to increasing fifth fractions of a lethal dose of thiodicarb, wherein the fifth fractions of a lethal dose of thiodicarb are greater than the fourth fractions of a lethal dose of thiodicarb, and subsequently exposed to increasing fifth fractions of a lethal dose of bifenthrin, wherein the fifth fractions of a lethal dose of bifenthrin are greater than the fourth fractions of a lethal dose of bifenthrin, wherein subsequent to the first through fifth exposures of thiodicarb and the first through fifth exposures of bifenthrin, the microorganisms of the consortium are resistant to 1 to 1.3 times the lethal dose of thiodicarb and bifenthrin, wherein the consortium was deposited with the National Center of Genetic Resources (CM-CNRG) under accession number CM-CNRG TB44.