Economic entomology for the farmer Economic entomology for the farmer and the fruit grower, and for use as a text-book in agricultural schools and colleges; economicentomol00smit Year: 1906 THE IXSECT WORLD. 237 of an inch 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, 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 receptacle

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Economic entomology for the farmer Economic entomology for the farmer and the fruit grower, and for use as a text-book in agricultural schools and colleges; economicentomol00smit Year: 1906 THE IXSECT WORLD. 237 of an inch 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, 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, Fit;. 244.

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Size: 1019px × 1962px
Photo credit: © Bookworm / Alamy / Afripics
License: Licensed
Model Released: No

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