//. TYPES IN DETAIL WITH THEIR SUBORDINATE GROUPS. Z9 



Thorax free and quite distinct from 

 the posterior portion, thus dividing 

 the body into three regions : head, 

 pro-thorax, and meso- and meta- 

 thorax -|- abdomen. Holometa- 

 bolic. X Carabus. 



Order 6. Rhynchota (Hemip- 



tera) Mouth parts modified to form a 



straight jointed beak, which lies 

 between the coxal joints of the 

 legs. Wings either membranous 

 and alike or with the outer diag- 

 onal half of the upper wings per- 

 gamenteous. Many forms wing- 

 less. Hemimetabolic. 



X Coreus, Cicada. 



Order 7. Lepidoptera Mouth parts a double-coiled pro- 

 boscis, formed by the first maxillae. 

 Wings alike in texture, membra- 

 nous, covered with minute colored 

 scales. Holometabolic. 



X Papilio, Sphinx. 



Order 8. Diptera Mouth parts variously modified, 



sucking, piercing, or lapping — 

 never biting. Fore wings mem- 

 branous, hind wings reduced to 

 minute knobs — ^the so-called bal- 

 ancers. Holometabolic. 



X Culex, Musca. 



Order 9. Hymenoptera Mouth parts biting, or biting and 



lapping; wings membranous, alike 

 in texture, but hind pair reduced 

 in size; body generally much con- 

 stricted between thorax and abdo. 

 men. Ovipositor of female gen- 

 erally accompanied by organs for 

 sawing, boring, digging, or stinging, 



