46 



NATURAL HISTORY OF INSECTS. 



SECTION II. SUCKING INSECTS ( ffaustellata ) . These 

 insects have the mouth-parts formed into a beak or proboscis. 

 This Section includes the Orders as follows : 



5. LEPIDOPTERA (from two Greek words meaning 

 scaly-winged). Such as Butterflies and Moths. 



6. HEMIPTERA ( from two Greek words, meaning 

 half -winged). Such as Plant-bugs, etc. This order is 

 divided into two Sub-orders, which are as follows: 



Homoptera (from two Greek words, meaning simi- 

 lar-winged). Such as Plant-lice, Vine-hoppers, etc. 

 Heteroptera (from two Greek words, meaning differ- 

 ent-winged). Such as Plant-bugs, Soldier-bugs, etc. 



7. DIPTERA (from two Greek words, signifying two- 

 winged). Such as Two-winged Fies, Mosquitoes, etc. 



CHAPTER IX. 



DESCRIPTION OF THE ORDER OF INSECTS. 



SECTION 1. GNAWING INSECTS (Mandibulata). 



HYMENOPTERA (Bees, Wasps, etc.) These insects usually 

 have four membraneous wings, with few veins, such as the 



Imported Currant Saw-flies 

 (Fig. 133). The posterior pair 

 are the smaller ; in a few spe- 

 cies the wings are wanting. 

 The upper jaws are fitted for 

 biting, while the lower jaws 

 form a sheath around the 

 lower lip. The three last 

 named organs are greatly elon- 

 gated, and fitted for sucking 

 or lapping. The body is gen- 

 erally hard and firm, and in 

 many species the abdomen is f 

 furnished with a sting, where- 



Fig. 133 



