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20 pounds 24 gallons 50 gallons acid was dissolved adhesive with ferrous amount April 11 arsenate of lead arsenite of zinc beet was sprayed Beetles present beetles were encaged beetles were liberated beetles were placed belted cucumber beetle better results Brownsville cabbage plant cactus is sliced cactus water chemical combination with cactus copper sulphate Date Dead Diabrotica balteata effective fermentation ferrous arsenate five beetles foregoing experiments gallons of water glutinous matter green and lime insectary INSECTICIDE inside the cage iron arsenite lead arsenate Living March 15 nopal number of beetles Paris green paste form plant was sprayed pot experiment pound of zinc pounds of cactus pounds to 50 powder form powdered zinc arsenite preservative previous to spraying prickly pear quantity of cactus rous arsenate salicylic acid shows the mortality sodium benzoate solution spinach spines spray mixture spray with zinc sprayed April sprayed plant sugar beets Table tality