. Elementary entomology . Fig. 250. Head and mouth-parts of the boll weevil larva Fig. 249. The cotton-boll weevil. (Enlarged) some of our most troublesome pests being found in this series. Though there are common ex- amples of several other families, only three families are suffi- ciently numerous to warrant mention. The curculios (Curculionidae) are the most typical as well as the largest family of the suborder.

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Keywords: ., bookcentury1900, bookdecade1, booksubjectentomology, bookyear1912