. Economic entomology for the 128 ECONOAIIC ENTOMOLOGY, for their distribution. As they never come to the surface, so far as we know, they are never winged, and are usually dull white in color, or with a slight tinge of green. The body is covered with a whitish powder and lacks honey-tubes. Fig. Phylloxera vastatrix.—a. unaffected rootlet of grape; b, rootlets with newly-formed galls; c, same, with old and dried-up tissue; dd, groups of the lice on roots and root- lets ; e,f, female pupa, from above and below; g, h, winged females; i, an antenna; j, oviparous wingless female
. Economic entomology for the 128 ECONOAIIC ENTOMOLOGY, for their distribution. As they never come to the surface, so far as we know, they are never winged, and are usually dull white in color, or with a slight tinge of green. The body is covered with a whitish powder and lacks honey-tubes. Fig. Phylloxera vastatrix.—a. unaffected rootlet of grape; b, rootlets with newly-formed galls; c, same, with old and dried-up tissue; dd, groups of the lice on roots and root- lets ; e,f, female pupa, from above and below; g, h, winged females; i, an antenna; j, oviparous wingless female and her eggs; k, root showing location of the eggs. An advance upon those root-living species is found in Phyl- loxera, which belongs with Chermes in a sub-family, Chermesma,. 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 Smith, John B. [from old catalog]. [n. p. ]
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Keywords: ., bo, bookcentury1800, bookdecade1890, bookpublishernp, bookyear1896
