168 LOCUSTS, BUTTERFLIES, BEES, WASPS 



the two maxillae is carried coiled beneath the head 

 (Fig. 107). 



Butterflies live upon the nectar extracted from flowers with 

 the proboscis. 



Locomotion of the butterfly. — This insect has two 



methods of locomotion, namely, flying and walking. The 



,, .„ vf -n legs are weak and not 



very etticient organs 

 for walking. At best, 

 the walk of a butter- 

 fly is jerky and feeble. 

 They depend mainly 

 upon their wings for 



^A. V I. " '•*=«^^^ locomotion, and these 

 Avr tubes ' 



Fig. 106.— Cross section of the proboscis of a Organs are every effi- 



butterfly. After Comstock. ^jg^t. The flight is 



usually irregular, but is swift and capable of long dura- 

 tion. Some butterflies migrate regularly according to the 

 seasons. 



The form of the butterfly's antennae. — The antennse are 

 composed of short, thick segments and are straight. More- 

 over, they are always enlarged 

 at the ends with a sort of knob. 



Life history of the butterfly. 

 — In its life history the but- 

 terfly differs most markedly 

 from the locust. The former 

 has what is known as an 

 indirect development or a 

 complete metamorphosis. 

 The female lays her eggs on ^'.°- lo^.-Headot a moth, show- 



•^ ^" mg mouth parts modified mto a 



the cabbage leaves and from long proboscis or suciiing tube. 



