A preliminary report on some laboratory and field experiments to determine the relative effectiveness of pyrethrum, D.D.T. and gammexane D919 as insecticides and larvicides.
D000818:Animals; D011723:Chrysanthemum cinerariifolium; D009033:Culicidae; D003634:DDT; D005018:Ethyl Chloride; D001556:Hexachlorocyclohexane; D007306:Insecticides; D007753:Laboratories; D012107:Research Design
D007306:Insecticides; D005018:Ethyl Chloride; D001556:Hexachlorocyclohexane; D003634:DDT
CHLOROPHENYL CHLOROETHANE (DDT); GAMMEXANE; INSECTICIDES; MOSQUITOES/eradiction; PYRETHRUM