THE ECLECTIC, OR MODERN SYSTEM. 393 



8. With four wings covered with meal-like scales 



(Lepidoptera) . 



9, With four membranaceous wings, the wing-bones 



hairy (Trichoptera). 



10. With four nearly equal membranaceous reticu- 



lated wings (Neuroptera) . 



11. With four unequal membranaceous wings, the 



wing-bones runninglengthwisefTfymeTzopfero^. 



12. With two wings folded lengthwise (Rhipiptera) . 



13. With two wings not folded ; mouth formed for 



sucking flies (Dipt era), 



14. With two or with no wings; mouth with long 



jaws bird-flies, bat-flies (Omaloptera). 



Stephens' s Classification. 



I. INSECTS WITH MANDIBLES (Mandibulata) . 



1. With hard wing-cases (Coleoptera) . 

 a, Voracious (Adephaga). 



Ground feeders (Geodephaga) . 

 Water feeders (Hydrodephaga). 

 by Cleansers (Rypophaga). 



Haunting water (Philhydrida), 



Feeding on carrion, or putrid wood (Necro* 



phaga). 

 With short wing-cases (Brachelytra). 



c, Chilognathiform larvae. 



With clavate sublaminate antennae (Helocera). 

 With laminate antennae (Lamellicornes) . 

 With filiform antennae (Sternooci). 

 With setaceous or abruptly clavate antennae. 



d, Vermiform larva?. 



With a rostrum (Rhinchophora) . 

 Without a rostrum (Longicornes). 



e, Anopluriform ? larvae. 



Tarsi tetramerous. 

 Body elongate (Eupoda). 

 Body ovoid or oval (Cyclica), 

 Tarsi trimerous (Trimeri). 



f, Heteromerous beetles (Heteromera) , 



2. With short and somewhat crustaceous wing- 



cases earwigs (Dermaptera) . 



3. With coriaceous win^-cases (Orthoptera) , 



4. With netted wipgs (Neuroptera). 



