A petrol extract of Artemisia nilagirica was toxic to late 3rd-instar larvae of the mosquito Culex pipiens quinquefasciatus [C. quinquefasciatus]. Bioassay directed fractionation led to the isolation of an insecticidal principle, identified as capillin (1-phenyl-2,4-hexadiyn-1-one).
A. Banerji, Luthria, D. L., and Kokate, S. D., “Toxicity of capillin, the insecticidal principle of Artemisia nilagirica Clarke.”, Indian journal of experimental biology, vol. 28, pp. 588–589, 1990.