. Manual of fruit insects. Fig. 344. — Rose chafers feedingon newly set grapes. GRAPE INSECTS 401 the poison and die so slowly that the injury to the crop isnot prevented. Recent work in western New York, how-ever, has shown that if the arsenate of lead is sweetened withmolasses or glucose, thebeetles eat it readily andmany are killed withintwenty-four hours. Atpresent this is the mostfeasible method of con-trolling this pest. Thevines should be sprayedthoroughly at the first ap- FiG. 345. — Larva of the rose

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbenefic, bookyear1915