. Annual report, including a report of the insects of New Jersey, 1909. Family PEDICULID^. PHTHIRIUS Leach. inguinal is Leach. The "crab-louse": found in the arm-pits and pubic re- gions of man and sometimes on the coarse hair of the breast. The grasp- ing structures of the feet are so well developed that it is easier to pull out a hair than to remove the parasite from it. Liberal and repeated appli- cations of mercurial ointment are re- quired to destroy these Fig. 30.—Crab-louse, Phthiriu inguinalis; greatly enlarged. PEDICULUS Linn. capitis DeG. The common "head-lou


. Annual report, including a report of the insects of New Jersey, 1909. Family PEDICULID^. PHTHIRIUS Leach. inguinal is Leach. The "crab-louse": found in the arm-pits and pubic re- gions of man and sometimes on the coarse hair of the breast. The grasp- ing structures of the feet are so well developed that it is easier to pull out a hair than to remove the parasite from it. Liberal and repeated appli- cations of mercurial ointment are re- quired to destroy these Fig. 30.—Crab-louse, Phthiriu inguinalis; greatly enlarged. PEDICULUS Linn. capitis DeG. The common "head-louse;" more generally found on children. A fine-tooth comb and repeated application of pomade or vaseline will readily control this pest. Tincture, or extract of Lark- spur, has also been used with good effect. vestimenti Leach. "Body-louse," "clothes-louse" or "; Lays its eggs in the seams of clothing in which also it hides when not actively feeding. Cleanliness is the best preventive; when an attack is to be dealt with, use mercurial ointment in the seams of the cloth- ing or dip them in gasoline two or three times at intervals of one week. Steaming or thorough boiling will answer the same purpose. ('^O. 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 New Jersey state museum. [from old catalog].


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