Nature biographies; the lives of some every-day butterflies; moths; grasshoppers and flies . Fig. 34. ?Tent Caterpillars at Rest derive substantial benefit from it,or is it merely a useless device ? To answer these questions weshould consider the lives of thecaterpillars in at least three rela-tions, namely: first, their relationto cold; second, their relation torain or snow; third, their rela-tion to insect and vertebrate enemies, especially birds. The relation of tent caterpillars to cold is an impor-tant one. Entomologists who rear caterpillars know thatin warm weather they grow ra
Nature biographies; the lives of some every-day butterflies; moths; grasshoppers and flies . Fig. 34. ?Tent Caterpillars at Rest derive substantial benefit from it,or is it merely a useless device ? To answer these questions weshould consider the lives of thecaterpillars in at least three rela-tions, namely: first, their relationto cold; second, their relation torain or snow; third, their rela-tion to insect and vertebrate enemies, especially birds. The relation of tent caterpillars to cold is an impor-tant one. Entomologists who rear caterpillars know thatin warm weather they grow rapidly, while during cold 29 35. — Full-grown Cater-pillar on Tent. Nature Biographies.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectinsects, bookyear1901
