. Annual report - Entomological Society of Ontario. Entomological Society of Ontario; Insect pests; Insects. Fig. 64. Fig. 65. which infest animals and burrowing under their skin cause irritation and swellings. The most notable and familiar example in this class is the Itch Mite (Sarcoptes scabiei). Figure 65 represents a male of this species highly magnified: naturally they are so small as to be distinguished with difficulty by the unaided eye. This tiny, bristly creature lives under the human skin in little tunnels eaten away by itself. In fig. 66 we have one of. Fig. 66. these minute channe
. Annual report - Entomological Society of Ontario. Entomological Society of Ontario; Insect pests; Insects. Fig. 64. Fig. 65. which infest animals and burrowing under their skin cause irritation and swellings. The most notable and familiar example in this class is the Itch Mite (Sarcoptes scabiei). Figure 65 represents a male of this species highly magnified: naturally they are so small as to be distinguished with difficulty by the unaided eye. This tiny, bristly creature lives under the human skin in little tunnels eaten away by itself. In fig. 66 we have one of. Fig. 66. these minute channels represented with the female mite at one end. As she works her way under the skin she lays her eggs behind her as shown in the figure, which hatch in from four to six days. It is said that one mite will lay as many as fifty eggs. The young mites have but six legs, and during their growth change their skin four times, at the final moult acquiring an additional pair of legs, or eight in all. When one of the vesicles caused by this insect is minutely examined a tiny spot will be found upon some part of its surface, this is the point where the mite has entered, and from it a faint line or streak may be traced, usually more or less curved, which is the burrow which the creature has made, and in which it lives. The burrow varies in length, and is sometimes as much as five or six inches long, and at the end, under a slight elevation of the skin, the little pest lies concealed, and if the skin there be gently raised with the point of a needle the mite may be easily extracted, as the little creature clings with its sucker-like feet to any object with which it may come in contact. The unpleasant disease referred to is of course occasioned by this mite, and is trans- ferred by those infected to others, sometimes by actual contact, but more frequently by occupying beds with an infected person, or after them. This is readily accounted for from the habits of the mite, which during the day
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectinsects, bookyear1872
