Economic entomology for the farmer and fruit-grower : and for use as a text-book in agricultural schools and colleges . Strawberry-weevil,Anthonomus signatus- 232 AN ECONOMIC ENTOMOLOGY. crop only is obtained on the pollenizers, the main crop will besafe without protection. Insecticides hav^e not proved markedlyuseful in this case. Other species of this genus have 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 puncturedbuds, b ; the egg at c; larva at d; pupa at/,- at g an op
Economic entomology for the farmer and fruit-grower : and for use as a text-book in agricultural schools and colleges . Strawberry-weevil,Anthonomus signatus- 232 AN ECONOMIC ENTOMOLOGY. crop only is obtained on the pollenizers, the main crop will besafe without protection. Insecticides hav^e not proved markedlyuseful in this case. Other species of this genus have 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 puncturedbuds, b ; the egg at c; larva at d; pupa at/,- at g an open strawberry-flower showingthe holes eaten by the beetles. require more attention here, and the next species in order isConotrachelus Jienuphar, the redoubtable to the codling-moth, this is, perhaps, the most seriousof the orchard pests, and it ranks above it in the difficulty attend-ing its control. The beetle itself is less than one-fourth of aninch in length, chunky in appearance, brown, with black andgray 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 THE INSECT WORLD. 233 Fig. 240.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectinsectp, bookyear1906
