. The external and internal parasites of [man and] domestic animals. 8 BOARD OF AGRICULTURE. are usually soft, white, and footless, and generally pass underthe name of maggots. In this order we find many parasites,of which the fleas, sheep-tick, bat-ticks, horse-tick, forest-flies,bot-flies, etc., are examples. This order contains some bene-ficial and very many injurious insects. III. Lepidoptera (scaly wings). This order includes thebutterflies, moths, millers, army worm (figure 11), canker-worms, cut-worms, silk-worms, etc. jjg, wings are four in number, usuallybroad, and covered with
. The external and internal parasites of [man and] domestic animals. 8 BOARD OF AGRICULTURE. are usually soft, white, and footless, and generally pass underthe name of maggots. In this order we find many parasites,of which the fleas, sheep-tick, bat-ticks, horse-tick, forest-flies,bot-flies, etc., are examples. This order contains some bene-ficial and very many injurious insects. III. Lepidoptera (scaly wings). This order includes thebutterflies, moths, millers, army worm (figure 11), canker-worms, cut-worms, silk-worms, etc. jjg, wings are four in number, usuallybroad, and covered with minute scales,looking somewhat like beautiful feath-ers under the microscope, but appear-ing like fine dust to the naked mandibles are nearly abortive, butthe maxillae are usually very long, slen-der, and hollowed out on the inside, so that when fitted to-gether they form a long hollow tube or proboscis, throughwhich they suck up their liquid food. The proboscis can berolled up beneath the head when not in use. The larvaemostly feed upon plants, and are ge
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectparasit, bookyear1870
