Economic entomology for the farmer and the fruit grower, and for use as a text-book in agricultural schools and colleges; . economicentomolo00smit Year: 1906 rift: INSECT WORLD. 237 of ail iiicli in length arc the grain weevils, belonging to the genus Calandra. These are almost cosmopolitan, and infest stored grains of all kinds. They are black or brown-red in color, (juite slender, and on a very small scale resemble the ' corn bill-bugs'' in sculpture. They can be easily controlled by the use of bisul- phide of carbon poured on the grain in bins or other receptacles, Fig. 244.
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