Insect pests of farm, garden and orchard . ^ 0 IiG. 123.—-The cuni-field ant {Lasius niger americanus): 1, worker; 2, larva;3, winged male; 4, pupa; 5, winged female; 6, female with wings re-moved. (After Forbes.) INSECTS INJURIOUS TO CORN 169 whatever injury may occur. Rarely is corn on land not in cornthe previous year seriously injured, and where infestation hasnot been serious throughout a community, it may usually begrown two years in succession with safety. The proper fertilization of plants affected with root insectsis always of great importance, enabling the plant to make a cropin spit
Insect pests of farm, garden and orchard . ^ 0 IiG. 123.—-The cuni-field ant {Lasius niger americanus): 1, worker; 2, larva;3, winged male; 4, pupa; 5, winged female; 6, female with wings re-moved. (After Forbes.) INSECTS INJURIOUS TO CORN 169 whatever injury may occur. Rarely is corn on land not in cornthe previous year seriously injured, and where infestation hasnot been serious throughout a community, it may usually begrown two years in succession with safety. The proper fertilization of plants affected with root insectsis always of great importance, enabling the plant to make a cropin spite of them if the attack is not too severe. Professor F. observes that land which has been fertilized with barn-yard manure is much less injured by this insect than that wherecommercial fertilizers are used. As the ants not only spread the pest during spring and summer,but house the eggs in their nests over winter, any means fordestroying their nests will be of importance in controlling theaphides. Where it is practicable, deep
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