39& INSECT MISCELLANIES. 



Insects have also been divided according to tlie 

 condition of their food ; but the arrang-ements on this 

 principle have not, as far as we know, been perfected. 



I. Insects feeding on living substances {Tha- 



lerophagd). 



1. Feeding on Uvino; flesh (Carnivora). 

 a. Feeding on aphides (Aj)hidivora). 



2. Feeding on growing vegetables (Pliytophaga). 



a, Feeding on grain and seeds (GranivoraJ. 



b, Feeding on fungi (Fungivora). 



II. Insects feeding on dead substances {Sapro- 



phaga). 



1. Feeding on dead wood (Lignivora). 



2. Feeding on dung (Coprophaga). 



3. Feeding on dead animals (Necrophaga), 



