Economic entomology for the farmer and fruit-grower [microform] : and for use as a text-book in agricultural schools and colleges economicentomolo00insmit Year: 1896 STRUCTURE AND CLASSIFICATION. SI and one that can be easily accomplished in most cases by any one possessing a little patience. In leaf-feeding insects all that is necessary is to bring in a supply of food with the larva upon it, and keep it in a box or cage, renewing from time to time, so that fresh food may be always available. In the bottom of the • F^iG. 27. A breeding-cage of the Riley pattern. box there should be three
Economic entomology for the farmer and fruit-grower [microform] : and for use as a text-book in agricultural schools and colleges economicentomolo00insmit Year: 1896 STRUCTURE AND CLASSIFICATION. SI and one that can be easily accomplished in most cases by any one possessing a little patience. In leaf-feeding insects all that is necessary is to bring in a supply of food with the larva upon it, and keep it in a box or cage, renewing from time to time, so that fresh food may be always available. In the bottom of the • F^iG. 27. A breeding-cage of the Riley pattern. box there should be three or four inches of clean sand for the benefit of those forms that go underground to change to a pupa, and in due time the caterpillar or slug will, under the observer's very eyes, change to a butterfly, beetle, or other insect, accord- ing to the character of the larva.
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