. Insects, injurious and beneficial, their natural history and classification, for the use of fruit growers, vine growers, farmers, gardeners and schools . such as thecaterpillar of the Turnus Butterfly, Fig. 49), sometimes spin-ning a web upon the upper surface of a leaf, upon whichthey rest when not feeding. When about to pupate they sus-pend themselves by the hind part of the body, and a transverseloop of silken threads passed around the fore part of the body. White and Yellow Butterflies (Pieridse).—These But-terflies have the hind wings rounded behind, or not tailed, andthe inner margin i
. Insects, injurious and beneficial, their natural history and classification, for the use of fruit growers, vine growers, farmers, gardeners and schools . such as thecaterpillar of the Turnus Butterfly, Fig. 49), sometimes spin-ning a web upon the upper surface of a leaf, upon whichthey rest when not feeding. When about to pupate they sus-pend themselves by the hind part of the body, and a transverseloop of silken threads passed around the fore part of the body. White and Yellow Butterflies (Pieridse).—These But-terflies have the hind wings rounded behind, or not tailed, andthe inner margin is concave ; the anterior tibiae are destitute ofa spur at the middle ; the colors are white and black (as thoseof the Imported Cabbage Butterfly, Fig. 191), or yellow and 62 NATURAL HISTORY OF INSECTS. black, sometimes tinged with green. Their caterpillers liveexposed on the leaves (as those of the Imported Cabbage But-terfly, Fig. 192, a), and when about to pupate they suspendthemselves by the hind part of the body and a transverse loopof silken threads (Fig. 192, b). They are generally naked ornearly so, and the color is usually green. Fig.
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectinsects, bookyear1883
