Abstract
Tests of forty materials during several seasons in an effort to discover an efficient stomach poison for the tobacco hornworm moths, Phlegethontius sexta Joh. and P. quinquemaculata Haw., have revealed that a 5 per cent solution of tartar emetic is an effective and satisfactory poison when used in conjunction with isoamyl salicylate as an attractant. Large-scale field experiments have been conducted for three successive seasons with promising results. The latest type of moth feeder developed is illustrated.
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