OUTLINE CLASSIFICATION OF INSECTS 



Order 1. 

 2. 



Order 1. 

 2. 

 3. 

 4. 

 5. 



6. 



7. 

 8. 

 9. 



10. 



Order 1. 

 2. 

 3. 

 4. 

 5. 

 6. 



7. 

 8. 



Class INSECTA or HEXAPODA. 



Sub-class A, APTERYGOTA. 



Thysan ura (Bristle-tails). 

 Collembola (Spring-tails). 



Sub-class B, EXOPTERYGOTA. 



Dermaptera (Earwigs). 



Orthoptera (Cockroaches, Grasshoppers, Crickets). 



Plecoptera (Stone-flies). 



Isoptera (Termites or ' White Auts '). 



Corrodentia 



(a) Copeognatha (Book-lice). 



(b) Mallophaga (Biting-lice). 

 Ephemeroptera (May-flies). 

 Odonata (Dragon-flies). 

 Thysanoptera (Thrips). 

 Hemiptera 



(a] Heteroptera (Bugs, Pond-skaters) 



(b) Homoptera (Cicads, 'Greenfly,' Scales). 

 Anoplura (Lice). 



Sub-class C, ENDOPTERYGOTA. 



Neuroptera (Alder-flies, Ant-lions, Lacewings). 

 Coleoptera (Beetles). 

 Mecaptera (Scorpion-flies). 

 Trichoptera (Caddis-flies). 

 Lepidoptera (Moths and Butterflies). 

 Diptera (Two-winged flies) 



(a) Orthorrhapha (Crane-flies, Midges, Gnats) 



(6) Cyclorrhapha (Hover-flies, House-flies, Bot- 

 flies, &c.). 



Siphonaptera (Fleas). 

 Hymenoptera 



(a} Symphyta (Saw-flies) 



(&) Apocrita (Gall-flies, Ichneumon-flies, Wasps, 

 Bees, Ants). 



