Bulletin . pinning from its mouth a silken thread, which prevents toosudden a descent to the earth below. Early in summer, the canker-worms become full-grown inthe larval state. They then enter the soil two or three inches,sometimes simply seeking the shelter of the rubbish upon itssurface, where, protected by silken cocoons in cells, theychange to pupae. There they remain until autumn or the fol-lowing spring, when the moths emerge. In these, the sexesare strangely different ; the males are small of body and largeof wing, well adapted to easy fliglit; while the females arelarge of body, and w
Bulletin . pinning from its mouth a silken thread, which prevents toosudden a descent to the earth below. Early in summer, the canker-worms become full-grown inthe larval state. They then enter the soil two or three inches,sometimes simply seeking the shelter of the rubbish upon itssurface, where, protected by silken cocoons in cells, theychange to pupae. There they remain until autumn or the fol-lowing spring, when the moths emerge. In these, the sexesare strangely different ; the males are small of body and largeof wing, well adapted to easy fliglit; while the females arelarge of body, and wholly destitute of wings. The latter arethus doomed to pass the short remainder of their lives in thevicinity of their emergence. They crawl up the trunks ofneighboring trees, where upon the twigs they deposit theireggs, dying soon afterwards. When the leaves appear, burst-ing through the buds, the eggs hatch into the young caterpillars,that feed upon the tender foliage. THE ENEMIES OF THE CANKER-WORM 35 Oo.
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Keywords: ., bookauthornewhampshireagricultu, bookcentury1800, bookdecade1890
