. The Acarina or mites. A review of the group for the use of economic entomologists. Mites. THE ACAEIXA OR MITES. 133 C. gallinse Raillet, occurs at the base of the feathers, where it burrows and produces a mass of loosened scales. The itcliing induces the hens to pluck their feathers. Sulphur ointment and balsam of Peru are good remedies. Family CYTOLEICHID^. This family (" Sarcoptides cysticoles " of Megiiin) contains but two or three species. Cytoleichus (formerly Cytodotes) nudus (fig. 275) and Laminosioptes (often Symplectop- tes) cysticola (fig. 276) are of economic importance.
. The Acarina or mites. A review of the group for the use of economic entomologists. Mites. THE ACAEIXA OR MITES. 133 C. gallinse Raillet, occurs at the base of the feathers, where it burrows and produces a mass of loosened scales. The itcliing induces the hens to pluck their feathers. Sulphur ointment and balsam of Peru are good remedies. Family CYTOLEICHID^. This family (" Sarcoptides cysticoles " of Megiiin) contains but two or three species. Cytoleichus (formerly Cytodotes) nudus (fig. 275) and Laminosioptes (often Symplectop- tes) cysticola (fig. 276) are of economic importance. They were discovered and de- scribed in 1870 by Francesco Vizioli in the common fowl. Both are ver\^ small, soft- bodied mites, much like a Sarcoptes, but differing in having the vulva longitudinal and smaller and less prominent mouth parts. The legs are very short, the anterior pairs the larger, and all separate at base. The tarsus ends in a long sucker, but without claws. Laminosioptes sometimes occurs on the skin, but often bores into the subcuta- neous tissue, where it gives rise to a calcareous cyst. Cytohichus has been found in. Fig. 275.—Cytoleichus nudus. illustration.) (Author's. 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 Banks, Nathan, b. 1868; United States. Department of Agriculture. Washington, D. C. : G. P. O.
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