36 INSECT MISCELLANIES. 



Insects have also been divided according to the 

 condition of their food ; but the arrangements on this 

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



J. INSECTS FEEDING ON LIVING SUBSTANCES (Tha- 

 lerophaga). 



1. Feeding on living flesh (Carnivorq). 

 a, Feeding on aphides (Aphidivora). 



2. Feeding on growing vegetables (Phytophaga). 

 a, Feeding on grain and seeds (Granivora). 



b t 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 (Necrophagaj. 



