. Injurious insects : how to recognize and control them . Insect pests; Insect pests. WEEVILS 365 somewhat toward each end, three fourtlis of an inch long. Feeds on the germ of grains. Adults and larvae also predaceous. For all of these pests the surest treatment is fumigation with carbon bisulpliide or carbon tetrachloride. They may be killed, also, by heat- ing the material in wliich they are at work to a temperature of 125 to 140 degrees for three or foiu- hours. When foodstuffs in houses are infested, a thorough cleaning out of the storage places is necessary, together with proper treatmen
. Injurious insects : how to recognize and control them . Insect pests; Insect pests. WEEVILS 365 somewhat toward each end, three fourtlis of an inch long. Feeds on the germ of grains. Adults and larvae also predaceous. For all of these pests the surest treatment is fumigation with carbon bisulpliide or carbon tetrachloride. They may be killed, also, by heat- ing the material in wliich they are at work to a temperature of 125 to 140 degrees for three or foiu- hours. When foodstuffs in houses are infested, a thorough cleaning out of the storage places is necessary, together with proper treatment of the materials affected. In addition all cracks and crevices should be sprayed with gasoline, taking proper precautions to guard against fire. The Bean Weevil {Acanihoscelidcs (Bruchus) obtediis Say) Dried beans that have been gathered and stored for winter use are injured or destroj'ed bj' tliis insect. Many beans will be found showing. Fig. 582. —Work of the Bean Weevil. Original. round holes where the adult wee^^ls have emerged, others will have grubs still at work inside, and in the box or bin will be found numerous. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original O'Kane, Walter Collins, b. 1877. New York : The Macmillan Company
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsectp, bookyear1912
