. Insects, injurious and beneficial, their natural history and classification, for the use of fruit growers, vine growers, farmers, gardeners and schools . while still others assume this form in the plants or other sub-stances in which they dwell (Fig. 84, b). Some suspend them-selves by the hind feet alone (Fig. 79); others pass a loop of 20 •NATURAL HISTORY OF INSECTS. silken threads around the fore part of the body (Fig. 87, b). Afew of the former merely work the old skin back upon thehind part of the body, where they allow it to remain, while in Fig. 82. Fig. a very few the old skin i
. Insects, injurious and beneficial, their natural history and classification, for the use of fruit growers, vine growers, farmers, gardeners and schools . while still others assume this form in the plants or other sub-stances in which they dwell (Fig. 84, b). Some suspend them-selves by the hind feet alone (Fig. 79); others pass a loop of 20 •NATURAL HISTORY OF INSECTS. silken threads around the fore part of the body (Fig. 87, b). Afew of the former merely work the old skin back upon thehind part of the body, where they allow it to remain, while in Fig. 82. Fig. a very few the old skin is merely rent on the back, and nearlyincloses the pupa. In the larvae of a great many kinds ofTwo-winged Flies the larval-skin merely contracts and hard-ens (Fig. 76), completely inclosing the pupa. Those insects which pass through the various stages detailedabove, are said to have a complete transformation (metamor-phosis). But there are many insects (such as Grasshoppers, Plant-bugs, etc.), which, when hatched from the egg, very closely Fig. 85. Fig. 86.
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectinsects, bookyear1883
