Insecticide Labels These insecticides are currently used by Camano Island Mosquito Control District Primary active ingredient: Bacillus thuringiensis israelensisDuplex G Label SDSVectoBac GR Label SDSPrimary active ingredient: Bacillus sphaericusVectoLex WSP Label SDSPrimary active ingredient: methopreneMetaLarv s-PT Label SDSMetaLarv XRP Label SDS