Use of 1-methoxyindole or derivatives thereof for repelling and / or killing pests is provided, belonging to the technical field of
pest control. The
active ingredient provided by the present disclosure is 1-methoxyindole (1-MOI), which is a compound found in
Metarhizium robertsii. When applied as a repellent, 1-methoxyindole at a concentration of 0.127 μg / cm2 in a plane has a repellent effect on a variety of ants, termites, and ticks, and the higher the content of 1-methoxyindole, the better the repellent effect; and when applied as a
pesticide, 1-methoxyindole at a concentration of 0.14 μg / cm3 in space has a killing effect on a variety of pests such as ants, termites, ticks, thrips, mosquitoes, Bemisia tabaci, Nilaparvata lugens Stal, and
Tetranychus cinnabarinus, and the higher the concentration of 1-methoxyindole, the better the killing effect.