LOCUSTS, BUTTERFLIES, BEES, WASPS 



167 



Mouth parts of the 

 butterfly. — A but- 

 terfly has its mouth 

 parts constructed for 

 sucking. The man- 

 cUbles are lacking 

 entirely and both 

 lips are small and 

 inconspicuous. The 

 maxillae, however, 

 are present , and each 

 one is greatlj' elon- 

 gated and grooved 

 on its inner surface. 

 Moi'eover, they are 

 joined together by 

 their inner surfaces in 

 meet and form 

 food is drawn. 



Fig 104. — Piece of the wing of a butterfly en- 

 larged to show the arrangement of tlie scales. 

 The scales have been removed from the lower 

 lialf to show the places of attachment. 



such 



a w&y 



that the two grooves 

 a tulie (Fig. 106) through which liquid 

 The proljoscis formed by the union of 



Fig. 105. — Wings of a butterfly after the scales have been removed. 



