Verma, K V Comparative efficacy of synthetic pyrethroids, natural pyrethrins and DDT against mosquito larvae. [electronic resource] - The Journal of communicable diseases Jun 1984 - 144-7 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0019-5138 Subjects--Topical Terms: AnimalsChrysanthemum cinerariifoliumCulicidaeDDTInsecticidesLarvaMosquito ControlNitrilesPermethrinPyrethrinsSpecies Specificity