254 



GRAMMAR OF ENTOMOLOGY. 



mandibles, which have a decided horizontal motion ; 

 the other parts are rudimental ; the opening of the 

 pharynx is very large. The animals composing 

 this order are found on birds. Trichodectes, 

 Docophorus, Nirmus, Lipeurus, Goniodes, Colpo- 

 cephalum, Trinoton, Lcemobothrion, Eureum, Phy- 

 sostomum. 



829. Summary of the Classes, Stirpes, and 

 Orders of the Amorphous Tetraptera. 



Empties 



Tachydromiites 



Dolichopites 



Syrphina 

 Xylophagites 

 Stratiomites 

 Chrysotoxites 

 Syrphites 

 Helophilites 

 Volucellites 

 Rhingiites 



Muscina 

 Musettes 

 Scatophagites 

 Tetanocerites 

 Tephritites 

 Phytomyzites 

 Phorites 

 Borborites 



Hippoboscina 

 Carnites 

 Hippoboscites 

 Nycteribiites 



Stylopites 



830. Summary of the Classes, Stirpes, and 

 Orders of the Necromorphous Tetraptera. 



III. HYMENOPTERA 

 Formicina 

 Formicites 

 Mutillites 



Sphecina 

 Scholiites 

 Sapygites 

 Pompiliites 



Sphecites 

 Larrites 

 Bembicites 

 Crabronites 



* It is uncertain to what stirps the orders thus separated properly 

 belong. 



