short, their sclerites not closed; 3rd segment the longest; 4th segment 

 narrow, with short sensillae. Mentum narrower at the base, with a narrow 

 suture; ventral sclerites small; punctiform seta straight and light; palps 

 thin, rodlike, with long sensillae; ligula narrow, slightly longer than the 

 labial palps, curved ventrally, very movable; labial lobe much shorter than 

 maxillae. 



(416) 



FIGURES 588-592. Ecnomus tenellus Ramb.: 



588 - labrum, dorsal; 589 - mandibles, dorsal: left mandible (A), right mandible (B); 

 590 - gula and maxillolabium; 591 - pronotum (A), mesonotum (B); 592 - pro- 

 pleuron (A), distal end of trochantin (B),seta of trochantin (C) and seta of epimeron (D). 



468 



