. Principles of economic zoo?logy. Zoology, Economic. Fig. 117.—Phylloxe'ra vasta'trix: a, Sexed stage larviform female, the dark-colored area indicating the single egg; b, egg, showing the indistinct hexagonal sculpturing; c, shriveled female after oviposition; d, foot of same; e, rudimentary and functionless mouth parts. (Marlatt.). Fig. 118.—Ladybird feeding on scale insects, Pentil'ia {Smilia) misel'la: a, beetle; b, larva; c, pupa; d, blossom end of pear, showing scales with larvae and pupse of Pentilia feeding on them, and pupae of Pentilia attached within the calyx; all enlarged. (Howar
. Principles of economic zoo?logy. Zoology, Economic. Fig. 117.—Phylloxe'ra vasta'trix: a, Sexed stage larviform female, the dark-colored area indicating the single egg; b, egg, showing the indistinct hexagonal sculpturing; c, shriveled female after oviposition; d, foot of same; e, rudimentary and functionless mouth parts. (Marlatt.). Fig. 118.—Ladybird feeding on scale insects, Pentil'ia {Smilia) misel'la: a, beetle; b, larva; c, pupa; d, blossom end of pear, showing scales with larvae and pupse of Pentilia feeding on them, and pupae of Pentilia attached within the calyx; all enlarged. (Howard and Alarlatt, Bull. U. S. Dept. of Agriculture.) of the same species, sa3's Comstock, differ greatly. The males, unlike all other members of the order, undergo a complete metamorphosis. The adult. 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 Daugherty, Lewis Sylvester, 1857-; Daugherty, L. S. , Mrs. , 1859-. Philadelphia, London, W. B. Saunders
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