. Text-book of zoology for schools and colleges. Zoology. Fig. 65.—Hemiptera. Bean Aphis {ApMs fahcR); winged male and wingless female. wings alone are membranous. The inner portions of the an- terior wings are hardened by chitine, and they are known as "hemelytra" (Gr. hemi, half; and elutron, a sheath). Among the more familiar examples of the Semiptera are the numer- ous species of Plant-lice (Aphides), the Field-bug (Pentar toma), the Boat-flj', the Cochineal insects, and the Cicadas. The Cochineal insects are of considerable commercial im- portance, as the dried and powdered bodi
. Text-book of zoology for schools and colleges. Zoology. Fig. 65.—Hemiptera. Bean Aphis {ApMs fahcR); winged male and wingless female. wings alone are membranous. The inner portions of the an- terior wings are hardened by chitine, and they are known as "hemelytra" (Gr. hemi, half; and elutron, a sheath). Among the more familiar examples of the Semiptera are the numer- ous species of Plant-lice (Aphides), the Field-bug (Pentar toma), the Boat-flj', the Cochineal insects, and the Cicadas. The Cochineal insects are of considerable commercial im- portance, as the dried and powdered bodies of the female con- stitute the substance known as Cochineal, from which is ob-. 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 Nicholson, Henry Alleyne, 1844-1899. New York, D. Appleton and Co.
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectzoology, bookyear1884
