BEE AND OTHER MEMBRANE-WINGED INSECTS. 125 



simple eyes (ocelli) are arranged in a triangle on the top of 

 the head. The antennae are slender, and elbowed or bent 

 at the end of the long second joint. The large clypeus 



FIG. 135. Mouth-parts of the honey-bee. A, m, mentum; st. stipes; mx, max- 

 illa; n/p, maxillary palpus; 7, lacinia; p, paraglossa; A', labial palpus; t. ligula; 

 /. "button"' i mandibles not represented i. B, ligula; s, sheath. C', section of 

 B; S, s, tubular sack ; A', rod. (Magnified.) 



is succeeded in front by the short movable upper-lip 

 (labrum). 



The mouth-parts are rather complicated, and it is their 

 complexity or high degree of specialization which for the 



