the middle of the mandible; apical part of right mandible with slightly 

 concave median surface; upper blade with 2 blunt indistinct teeth; lower 

 blade (sometimes also upper blade) without teeth; mandible with a tuber- 

 culate molar tooth near the base; outer side of mandible slightly grooved; 

 outer setae situated near the dorsal margin, of the same length. 



396 



FIGURES 545-547. Tinodes waeneri L.: 



545 - labrum; 546 - part of head, ventral, gula and maxillolabium; 547 - mesonotum. 



Maxillolabium (Figure 546) oblong, narrower anteriorly. Submentum 

 with 2 transverse sclerites; seta near anterior margin long and light; cardo 

 dark; seta small and thin; stipes brown and rodlike; outer seta long, situated 

 on a membrane, distal seta smaller; palpifer very broad; seta near the 

 distal margin of the sclerite dark; 1st palpal segment slightly longer than 

 2nd segment; 3rd segment the longest; 4th segment small and narrow; 

 sensillae distinct; galea rounded apically, with numerous hairs; setae and 

 sensillae large. Mentum covered by the fold of the submentum at the base; 

 labial lobe narrow, prolonged into a long, narrow ligula, which is curved 

 ventrally; 2 small light setae near the base of the ligula at the place of the 

 396 ventral sclerites; labial palps absent. 



Pronotum brownish yellow, its anterior margin light yellow; anterior 

 angles rounded, posterior margin thick, darkish brown, bordered by a shallow 

 groove; a large dark spot laterally at the point of articulation with the 

 pleuron; posterior angle curved ventrally, contiguous with the narrow rod- 

 like sternites, which form a small, pointed light process in the middle. 



5724 



444 



