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Bugs, Butterflies, and Beetles 



the babies grow, their colors vary, but green is the 

 constant tendency. 



When you disturb one of the big caterpillars 

 it will gnash its teeth like a woodchuck or a bull 



elk. Of course you know that the caterpillar has 

 no real teeth, but the horny parts of its mouth 

 with which it bites, known as mandibles, are rubbed 

 together, making a grating noise like that produced 

 by gnashing teeth. 



If the writer has hinted that some caterpillars 



