Manual of vegetable-garden insects . INJURIOUS TO CABBAGE AND RELATED CROPS. _. — I iill-gii >\\ II iiiiiirtfil(;ubbage worm (, X IJ)- headin*;, tlie caterpillars (iften burrow rather deeply into the head in search of the tenderest leaves. They become full grown in ten to fourteen days. The mature caterpillar (Fig. 2) is about an inch in length, velvety green in color and marked with a greenish yellow stripe down the back and an interrupted one on each side. When ready to pupate, it seeks some sheltered place —? under a cabbage leaf or on the underside of fence boards — in which to transfor
Manual of vegetable-garden insects . INJURIOUS TO CABBAGE AND RELATED CROPS. _. — I iill-gii >\\ II iiiiiirtfil(;ubbage worm (, X IJ)- headin*;, tlie caterpillars (iften burrow rather deeply into the head in search of the tenderest leaves. They become full grown in ten to fourteen days. The mature caterpillar (Fig. 2) is about an inch in length, velvety green in color and marked with a greenish yellow stripe down the back and an interrupted one on each side. When ready to pupate, it seeks some sheltered place —? under a cabbage leaf or on the underside of fence boards — in which to transform to the chrysalis. When a cabbage patch is near a house, thesechrysalids are often found ingreat numbers under the edge ofthe clapboards. When about totransform, the caterpillar firstspins a carpet of silk over thesurface chosen and fastens a deli-cate silken girdle around itsbody at the first abdominal seg-ment, holding itself tightly in position (Fig. 3). After the transformation is complete the chrysalis is held in place by this girth. The pupa (Fig. 4) is a
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyo, bookyear1918
