. Elementary zoology. Zoology. Fig. 68.—The house-flea, Pulex irritans; a, larva; d, pupa; c, adult. (The fleas are probably more nearly related to the Diptera than to any other order of insects. (After Beneden.) on the floating pupal skin until its wings are dry, and then flies away. Only the female mosquitoes suck blood. If they cannot find animals, mosquitoes live on the juices of plants. They are world-wide in their distribution, being serious pests even in Arctic regions, where they are often intolerably numerous and greedy. Recent investi- gations have shown that the germs which cause ma
. Elementary zoology. Zoology. Fig. 68.—The house-flea, Pulex irritans; a, larva; d, pupa; c, adult. (The fleas are probably more nearly related to the Diptera than to any other order of insects. (After Beneden.) on the floating pupal skin until its wings are dry, and then flies away. Only the female mosquitoes suck blood. If they cannot find animals, mosquitoes live on the juices of plants. They are world-wide in their distribution, being serious pests even in Arctic regions, where they are often intolerably numerous and greedy. Recent investi- gations have shown that the germs which cause malaria in man live also in the bodies of mosquitoes, and are in- troduced into the blood of human beings by the biting. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Kellogg, Vernon L. (Vernon Lyman), 1867-1937. New York : H. Holt and company
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectzoology, bookyear1902
