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Economic entomology for the farmer and fruit-grower : and for use as a text-book in agricultural schools and colleges . eans of which the insect an-chors itself firmly in the skin of the infested animal. The legsare scansorial, or fitted for climbing,—that is to say, they areshort, heavy, set at the sides of the thorax, and the tarsus ismodified into a stout, slightly curved claw, opposed like a thumbto the end of the tibia, which in turn is broadened at the tip anda little excavated. Thus, between the end of the tibia and thetarsus, the insect is able to grasp a hair so tightly that it is som
Economic entomology for the farmer and fruit-grower : and for use as a text-book in agricultural schools and colleges . eans of which the insect an-chors itself firmly in the skin of the infested animal. The legsare scansorial, or fitted for climbing,—that is to say, they areshort, heavy, set at the sides of the thorax, and the tarsus ismodified into a stout, slightly curved claw, opposed like a thumbto the end of the tibia, which in turn is broadened at the tip anda little excavated. Thus, between the end of the tibia and thetarsus, the insect is able to grasp a hair so tightly that it is some-times easier to pull it from the skin than to dislodge the we have another example of insects that do not change inappearance throughout their life : they simply increase in sizeand become adult when the sexual organs are fully animals only are infested by these sucking lice,man being included under this general term. Three species are found on the human animal: one, Pediculnscapitis, infesting the head, glues its eggs, which are known as I04 AN ECONOMIC Hog-louse, Hamatopinus urius: the scansorial claw at c. Fig. 75.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectinsectp, bookyear1906