52 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 

 vtafrnified. 



o Simple eyes. 

 s Scape of antenn;u 

 / Flagellum of ;uitenn^. 

 c Compound eyes. 

 j Mandibles. 

 ;« MaxillEB. 

 / Liffula. 

 p Laoial palpi. 



Head of Jj'''- much magnified. 



o Epicranium. 

 e e Compound eyes. 

 a a Antennae. 



c Clypeus. 



/ Laorum. 



m Jaws. 

 m X 2d Jaws. 

 k k Labial palpi, 

 / Ligula. 



On either side, near the junction of the ligula and nnen- 

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

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

 within the angle formed by these latter and the ligula arise 



