right mandible with 2 small teeth; distal outer seta curved, light, situated 

 in about the middle of the mandible; basal seta shorter, straight and dark. 



Submentum wide, irregularly square, with slightly concave anterior 

 margin and projecting anterior angles; setae relatively large, situated in 

 the middle of the sclerite (Figure 337); cardo short and irregularly 

 trapezoidal; the stipes forming a thin yellowish plate with indistinct outer 

 margin and a curved, distinct., brown median margin; basal seta of stipes 

 dark, large, situated on a membrane; short distal seta situated on a sclerite. 

 Maxillary palpiger light; distal seta situated on the membrane straight and 

 long. First and 2nd segments of the maxillary palps small, the 3rd longer 

 than the others, the 4th is also long. Galea cylindrical and narrow; its setae 

 relatively large. Mentum broad and brown; ventral sclerites with small 

 light dots with short setae; labial palpiger very narrow and curved; labial 

 palps large. 



(294; 



FIGURES 336-338. A psi lochore ma sutshanum Mart.: 



336 — head and prothorax, dorsal; 337 — gula.pregula and submentum; 338 — 

 mandibles: left mandible, dorsal (A), left mandible, ventral (B); right mandible, 

 dorsal (C) and ventral (D). 



Pronotum (Figure 33 6) light, yellowish white, much narrower posteriorly 

 than anteriorly, with a broad black posterior margin; lateral margin reddish 

 brown, divided into two narrow stripes by a longitudinal, yellowish white 

 stripe; a small dark spot near the anterior angle near which is a small, 



318 



