5- 



Mouth Organs of Insects. 



tip the tongue. The base is usually broad, and is called 

 the mentum, and from this extends the ligula, which in 

 bees is a sucking organ or tongue (Fig. 35, a). Some 

 authors call this ligula the labium. 



Fig. 8. 



Head and Mouth-parts of a Drone 

 ma^ui/ied, 



o Simple eyes. 

 J Scape of antenna. 

 / Flag-ellum of antennie, 

 c Compound eyes. 

 j Mandibles. 

 m Haxillx. 

 / Liaula. 

 P Labial palpi. 



Head of Bee much magnified. 



o Epicranium. 

 e e Compound eyes. 

 a a AntennjB. 



c Clypeus. 



/ Laorum. 



m Jaws. 

 nt X 2d Jaws. 

 k k Labial palpi. 

 t Ligula, 



On either side, near th§ junction of the ligula and men- 

 turn, arises a jointed organ, rarely absent, called the labial 

 palpus (Fig. 8 kk), or, together, the labial palpi. Just 

 within the angle formed by these latter and the ligula arise 



