. Elementary zoology. Zoology. Fig. 62.—The female red orange scale insect, Aspidiotus aurantii, very injuri- ous to orange-trees. It has no wings, legs, nor eyes, but remains motionless on a leaf, stem, or fruit, holding fast by its long slender beak, through which it sucks up the plant-sap. The male is winged, and has no mouth-parts, taking no food. (Photo-micrograph by Geo. O. Mitchell.) Fig. 63.—The female rose- scale, Diaspis roses, a pest of rose-bushes, with- out eyes, wings, or legs, but with slender sucking proboscis. The male is winged and without mouth-parts. (Photo-mi- crograph by


. Elementary zoology. Zoology. Fig. 62.—The female red orange scale insect, Aspidiotus aurantii, very injuri- ous to orange-trees. It has no wings, legs, nor eyes, but remains motionless on a leaf, stem, or fruit, holding fast by its long slender beak, through which it sucks up the plant-sap. The male is winged, and has no mouth-parts, taking no food. (Photo-micrograph by Geo. O. Mitchell.) Fig. 63.—The female rose- scale, Diaspis roses, a pest of rose-bushes, with- out eyes, wings, or legs, but with slender sucking proboscis. The male is winged and without mouth-parts. (Photo-mi- crograph by Geo. O. Mitchell.), same manner. The palpi of both maxillae and labium are wholly wanting in Hemiptera and the flexible needle- like maxillae and mandibles are enclosed in the tubular labium. This order is a large one and includes many well-known injurious species, as the chinch-bug (Blissus lencopterus), which occurs in immense numbers in the grain-fields of the Mississippi valley, sucking the juices from the leaves of corn and wheat, the grape Phylloxera {Phylloxera vastatrix), so destructive to the vines of Europe and California, the scale insects (Coccidce) ( 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


Size: 1231px × 2031px
Photo credit: © Paul Fearn / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1900, booksubjectzoology, bookyear1902