Economic entomology for the farmer and fruit-grower [microform] : and for use as a text-book in agricultural schools and colleges . economicentomolo00insmit Year: 1896 THE INSECT WORLD. 237 of an inch in length are 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, quite 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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