. Economic entomology for the farmer and fruit-grower [microform] : and for use as a text-book in agricultural schools and colleges . The " giant root-borer," Prionus laticoUis.— Larva, pupa, and adult. variety of trees and plants, including chestnut, oak, cherry, apple, grape, and blackberry. They require three years to reach maturity, and are sometimes decidedly troublesome. There is no way of reaching the larvae except to dig them out, and in black- berry fields the sudden wilting of part or all of a hill indicates almost intallibly the presence ol one or more, which should then b
. Economic entomology for the farmer and fruit-grower [microform] : and for use as a text-book in agricultural schools and colleges . The " giant root-borer," Prionus laticoUis.— Larva, pupa, and adult. variety of trees and plants, including chestnut, oak, cherry, apple, grape, and blackberry. They require three years to reach maturity, and are sometimes decidedly troublesome. There is no way of reaching the larvae except to dig them out, and in black- berry fields the sudden wilting of part or all of a hill indicates almost intallibly the presence ol one or more, which should then be found and destroyed at once. Grape and apple stand the injury better, but when a tree becomes badly infested nothing remains but to take it out and burn it. Even largfe trees are
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Keywords: ., bookcentury1800, bookdecade1890, bookpublisherphila, bookyear1896
