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16-penny casing nail actually eaten agreeable Agricultural Experiment Station applied Barber beans become full-fed bolls brood carryover caterpillar cent clipping cold weather color control corn ear worm cornfield crop damage develop Dichloroethyl ether ear of corn early maturing ears free effective eggs escape tunnel feeding field corn free of worms garden grain green growers hatch help to reduce hexachloroethane husk hybrid inches infested injure insecticides insert the tablet late fall leaves the ear lighter and darker market Missouri Agricultural Experiment molds moth number oil gun oil-pyrethrum one-half overdosed past four pencil Pepper pest poisonous pollination protect the ear pupa or resting pupa stage push pyrethrum extract resting stage results were secured ripening roasting ears seed silks and shucks spends the winter strain of corn summer surface survive susceptibility sweet and field sweet corn tip of ear tomatoes treatment untreated plantings usually viscosity white mineral oil wing wormy worthless