INSECTS HEMIPTER A DIAGHAM 6 



Cicada,. 



skin stretched like that of a drum. The cicada 

 produces its song by agitating this with special 

 muscles. The cicada feeds by piercing the tender bark 

 of trees, and drinking the sap by means of its sucker. 

 The thrips has only wings in the males ; the females 

 are wingless. They are small insects with a long body. 

 The corn thrips causes great mischief by sucking the 

 newly formed grains of corn, which it does not kills 

 P revents from reaching their proper size. 



The lugs are a family of insects 

 which have nearly all a bad 

 odour. They live either on trees 

 or in houses. Bed-bugs are 

 remarkable because they have 

 no traces of wings, but they 

 run actively. They shun the light 

 and at night feed on blood by 

 Bug, natural size and magnified, "burying their sucker in the skin. 



The Notonectce are aquatic hemip- 

 tera which swim by means of 

 their long hind legs. One half of 

 their elytra is hard and horny ; and 

 these insects resemble tree-bugs in 

 the form and pattern of their corslet. 



Notonecta, 



