. Economic entomology for the farmer and the fruit grower, and for use as a text-book in agricultural schools and colleges;. Insects; Pests. 232 AN ECONOMIC ENTOMOLOGY. crop only is obtained on the jiollenizers, the main crop will be safe without protection. Insecticides have not j)roved markedly useful in this case. Other species of this genus ha\'e proved more or less trouble- some, notably A. quadri-gibbus, on apple, but none of these Fig. Work of the strawberry-weevil.—a, shoot of strawberry-plant bearing punctured buds, b: the egg at c; larva at d; pupa at/,- at^ an open strawberry-


. Economic entomology for the farmer and the fruit grower, and for use as a text-book in agricultural schools and colleges;. Insects; Pests. 232 AN ECONOMIC ENTOMOLOGY. crop only is obtained on the jiollenizers, the main crop will be safe without protection. Insecticides have not j)roved markedly useful in this case. Other species of this genus ha\'e proved more or less trouble- some, notably A. quadri-gibbus, on apple, but none of these Fig. Work of the strawberry-weevil.—a, shoot of strawberry-plant bearing punctured buds, b: the egg at c; larva at d; pupa at/,- at^ an open strawberry-flower showing the holes eaten by the beetles. recjuire more attention here, and the species in order is Conotrachelus nemiphar, the redoubtable " ; to the "codling-moth," this is, perhaps, the most serious of the orchard pests, and it ranks above it in the difficulty attend- ing its control. The beetle itself is less than one-fourth of an inch in length, chunky in appearance, brown, with black and gray mottlings, and with four elevated excrescences on the wing- covers. The beetle hibernates and appears in early spring, feed- ing first upon the unopened buds and afterward upon the young. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Smith, John Bernhard, 1858-1912. Philadelphia and London : J. B. Lippincott co.


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectinsects, bookyear1906