. Elementary principles of agriculture; a text book for the common schools . Fig. 99. Squash bug. A, eggs on leaf; b, egg-shell; c, d, e, f, nymphs; g, adult. , After Chittenden. Bureau of Entomology, U. S. Department of Agriculture. use to suck blood or sap. The squash-bug (Fig. 99), and the chinch-bug get their food by suckino-. Plant Hce, such as the green bug, and San Jose scale (Fig. 100) are also sucking insects.

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Keywords: ., bookauth, bookcentury1900, bookdecade1900, booksubjectagriculture