Nature biographies; the lives of some every-day butterflies; moths; grasshoppers and flies . Nature Biographies. would be practically the same if they came at nearly thesame time. The tent, whether made by one colony or more, is toosmall for all the caterpillars to remain in it and spin their cocoons. Most ofthem crawl downthe trunk of thetree and wanderover the ground,seeking a safeshelter for the nextstage of they find asatisfactory situa-tion — such as theunder side of aboard, beneathloose bark, or inthe cracks of afence — each spinsan oval silken cc-coon within whichits body


Nature biographies; the lives of some every-day butterflies; moths; grasshoppers and flies . Nature Biographies. would be practically the same if they came at nearly thesame time. The tent, whether made by one colony or more, is toosmall for all the caterpillars to remain in it and spin their cocoons. Most ofthem crawl downthe trunk of thetree and wanderover the ground,seeking a safeshelter for the nextstage of they find asatisfactory situa-tion — such as theunder side of aboard, beneathloose bark, or inthe cracks of afence — each spinsan oval silken cc-coon within whichits body becomesshort and thick(Fig. 36) before itchanges to thequiet pupa or three weeks later it emerges as a brown appearance of the male tent caterpillar-moth isshown on page 22. The males are considerably smallerthan the females. These moths are nocturnal, tlyingonly at night, and are to be found throughout the greaterpart of July. The females deposit the eggs upon the 28. tiG. 33.— Flat Tent with Caterpillars entering UpperDoor at the Right. The American Tent Caterpillar. eggs remain twigs of trees, and soon die. As already stated, theseunhatched until the following spring,• W- \ aF-^ although tlie tinycaterpillars are fullyformed within theegg-shells long be-fore the advent ofwinter. Now let us con-sider for a momentwhat advantages thepossession of thetent gives the cater-pillars. Do they


Size: 1293px × 1932px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1900, booksubjectinsects, bookyear1901