PART 



CLASSIFICATION AND DESCRIPTION OF COMMON 

 INSECTS 



THE COMMON ORDERS AND GROUPS OF INSECTS 



SYNOPSIS OF THE ORDERS OF INSECTS REFERRED TO IN THE CLASS 



BOOK 



Aptera Group. 



I. Thysanura. 

 II. Collembola. 



Netiropteroida Group. 



Orthopteroida Group. 



Hemipteroida Group 



Dipteroida Group. 



I 



III. Plecoptera. 



IV. Ephemerida. 

 V. Odonata. 



VI. Neuroptera. 

 VII. Mecoptera. 

 VIII. Trichoptera. 



IX. Mallophaga. 



X. Isoptera. 



XL Corrodentia. 



XII. Blattoidea. 



XIII. Mantoidea. 



XIV. Phasmoidea. 

 XV. Dermaptera. 



XVI. Orthoptera. 

 XVII. Thysanoptera. 



XVIII. Homoptera. 

 XIX. Hemiptera. 

 XX. Siphunculata. 

 XXI. Lepidoptera. 

 XXII. Coleoptera. 

 XXIIL Diptera. 

 XXIV. Siphonaptera. 

 XXV. Hymenoptera. 



A. With two wings; mouth-parts formed for sucking or piercing; metamor- 

 phosis complete.^ — DIPTERA (Flies). 



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