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Economic entomology for the farmer and fruit-grower : and for use as a text-book in agricultural schools and colleges . Fig. Ig- 349i Paleacrita vernala.—a, male; b, fe-male; c, d, structural details. Fig. 350, Anisop-leryx pometatia. — a, male; b, female; c, d, e,structural details. 3o8 AN ECONOMIC ENTOMOLOGY. grown, descend to the ground to pupate ; when the femalesemerge they crawl up the trunks of the trees, where they arefertilized by the males, and then continue their journey to theleaves, upon which they lay their eggs. This habit gives uscontrol of the insects, for if we simply b
Economic entomology for the farmer and fruit-grower : and for use as a text-book in agricultural schools and colleges . Fig. Ig- 349i Paleacrita vernala.—a, male; b, fe-male; c, d, structural details. Fig. 350, Anisop-leryx pometatia. — a, male; b, female; c, d, e,structural details. 3o8 AN ECONOMIC ENTOMOLOGY. grown, descend to the ground to pupate ; when the femalesemerge they crawl up the trunks of the trees, where they arefertilized by the males, and then continue their journey to theleaves, upon which they lay their eggs. This habit gives uscontrol of the insects, for if we simply band the tree in such awayas to prevent either the female or the young caterpillars from as-cending to the branches, it will be protected completely. Unlessthe female can get upon tlie leaves, the eggs are laid upon the Fig. 352.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectinsectp, bookyear1906