Papers on Cereal and Forage Insects: Contributions to a Knowledge of the Corn Root-Aphis (Classic Reprint) - Hardcover

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Excerpt from Papers on Cereal and Forage Insects: Contributions to a Knowledge of the Corn Root-Aphis

Transactions of the Illinois Agricultural Society he considered the leaf-aphis to be but an aerial form of the root-aphis. This View was accepted by Cyrus Thomas and later writers who studied the species.

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