1904 



ENTOMOLOGICAL SOCIETY. 



103 



(b) Mouth-parts formed for biting : 



(1) Upper wings liorny Coleoptera. (Fig. 35). 



(2) Upper wings parchment-like ...Orthoptera. Fig. 36). 



Fig. 81. Butterfly (Lepidoptera) 



When both the mouth-parts and the wings are used for classification 

 ihe folio »A-ing may be used: 



■^^j-. 



Fig. 82. 3I()th {Lei)i(l(.ptera) Fig. 33. Dragon-fly (Neuroptera) 



1. Insects with both a biting and sucking mouth and wings with but 

 few veins Hymcnoptcra. 



Fig. 84. \Va8p ( Hymenoptera) 



:2. Insects with a biting mouth 

 A. Upper wings horny 



Fig. 85. Beetle (Coleoptera) 

 Coleoptera. 



