Economic entomology for the farmer and fruit-grower : and for use as a text-book in agricultural schools and colleges . Hog-louse, Hamatopinus urius: the scansorial claw at c. Fig. Ox-louse, Hamatopinus eurysiemus: b, mouth opening ; c, d, anal detuils ; e, egg,attached to a hair. THE INSECT WORLD. 105 nits, to the hair; one, Pediciilus vestimenti, found on thebody, known as the body-louse, or to soldiers as gray-backs, lives in and lays its eggs in the seams of clothing, wherethey are protected ; the last, Phthirius inguinalis, known as thecrab-louse, infests the pubic region and armpits


Economic entomology for the farmer and fruit-grower : and for use as a text-book in agricultural schools and colleges . Hog-louse, Hamatopinus urius: the scansorial claw at c. Fig. Ox-louse, Hamatopinus eurysiemus: b, mouth opening ; c, d, anal detuils ; e, egg,attached to a hair. THE INSECT WORLD. 105 nits, to the hair; one, Pediciilus vestimenti, found on thebody, known as the body-louse, or to soldiers as gray-backs, lives in and lays its eggs in the seams of clothing, wherethey are protected ; the last, Phthirius inguinalis, known as thecrab-louse, infests the pubic region and armpits. The latterfastens its eggs to the hair among which it lives, and this is per-haps the general rule throughout the series. Domestic animals of all kinds are infested by lice ; but it is notnecessary to study the species in detail, since their habits aremuch the same, and the method of treatment is identical. Forthe head-louse on man nothing is better than a thorough appli-cation of lard, vaseline, or other greasy material. It should beapplied at least twice at intervals of a few days, because the treat-ment does not kill eggs, and eggs unhatched at the first treat-ment would no


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectinsectp, bookyear1906