Economic entomology for the farmer and the fruit grower, and for use as a text-book in agricultural schools and colleges; economicentomolo00smit Year: 1906 Hog-louse, Hcsniatopinus iiriiis : the scansorial claw at c. Fig. 75. Ox-louse, Na-matopinus eitrysternus: b, mouth opening ; (-, </, anal details ; e, egg, attached to a hair.

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