3IO 



Handbook of Nature-Study 



After a period varying from days to months, depending upon the 

 species of insect and the climate, the pupa skin bursts open and from it 



emerges the adult insect, often 

 equipped with large and beautiful 

 wings and always provided with 

 six legs and a far more complex 

 structure of body than character- 

 ized it as a larva. The insect never 

 grows after it reaches this adult 

 stage and, therefore, never molts. 

 Some people seem to believe that a 

 small fiy will grow into a large fly, 

 and a small beetle into a large beetle; but after an insect attains its 



A butterfly chrysalis. 



A tuna moth. 



The delicate, exquisite green of ihe luna^s wings is set off hy the rose-purple, velvet border of the front 

 wings, and ihe while fur on the body and inner edge of the hind wings. Little wonder that ithas been called 

 the "Empress of the night". The long swallow tail of the hind wings give the moth a most graceful shape, at 

 the same time probably afford it protection from observation. During the day time the moth hangs wines 

 down beneath ihe green leaves, and these long projections of the hind wings folded together resemble a 

 petiole, making the insect look very much like a large leaf. 



