INSECTS INJURIOUS TO THE PLUM. 



ATTAOKOa THE LEAVES. 



Uo. 83.— The Plum-tree Sphinx. 



Sphinx drupiferarum (Sm. & Abb.). 

 The moths belonging to the family known as Sphinx moths 

 are peculiar in their form and habits. Their bodies are robust, 

 and their wings are usually long and narrow and possess great 

 strength and capacity for rapid flight. On the wing they 

 much resemble humming-birds, and hence are frequently called 



Fig. 170. 



hamming-bird moths. Most of the speces remain totp.d 

 dX the day, bat become active about dusk, when they 

 tay be seen poising in the air over some flower, w.th the.r 

 X rapidly'vibrating, and producing ^ '...y-g J -^^ 

 The plum sphinx is a handsome insect, and ,s well repre 

 i!^ in Fi? 170 It appears as a moth during the month 

 sented in iig. !'"• '-""ii' i,„if Uno- and its 



of June; its body is about an inch and a half long, and ite 



162 



