A microbial toxicity ụmụ ahụhụ, acaricide. Otu oru oma ahụhụ dabere na avermectin, uru dị elu ọrụ, sara ụdịdị dị iche iche insecticidal, utịp ruo ogologo oge, wdg Ọ na-eme tumadi na afo. Insecticidal usoro na-egbochi ihe pests akwara.