INSECTS I THEIR STRUCTURE AND FOOD. 



FlG. 10. 

 Three carnivorous Beetles with long mandibles. 



flowers and also for biting ; the butterflies and moths have mouth-parts 

 formed like a long slender tube which can be stretched into the bottom of 

 flowers to ex tract the nectar. Figures 1115 will show the appearance of 

 these mouth-parts, and it is important to look always at the mouth-parts of 

 insects, since this at once gives a clue to the probable habits of the insect. 



