12 



ECONOMIC ENTOMOLOGY 





Fig. i6. — Head and mouth-parts of the honey bee {Apis melliferd). Both types 

 of mouth-parts well developeti but the mandibles are used chiefly for portage and 

 modeling (Hymenopteron type). A, Front view of the head showing: i, antennae; 

 2, compound eyes; 3, simple eye; 4, labrum; 5, mandibles; 6, maxillae (lacinia); 7, 

 labium (palpi only); 8, hypopharynx(?); B, mouth-parts removed to show the 

 parts; 5, mandibles; 6, maxillae (lacinia); 7, labium (palpi only); 8, hypopharynx 

 (?); 9, bouton; lo, maxillary palpus; 11, mentum; 12, submentum; 13, cardo; 14, 

 stipes. {After Hertns.) 



Fig. 17. — Section through the thorax of an insect. L., Leg; P., pleuron; S., sternum; 



T., tergum; W., wing. 



