background anterior to eye, small, brown; setae 12 and 13 situated behind 

 the eye, 12 short, dark, 13 small, light; black setae 14 and 15 situated 

 medially one behind the other; seta 16 short, procumbent; seta 17 small, 

 dark, situated near suture, anterior to the fork; on the ventral side, seta 8 

 (Figure 134) situated close to anterior margin, small, dark, seta 18 small, 

 pointed, light brown, situated among dots. 



FIGURES 133-136. Neophylax ussu ri ensis Mart.: 



133 — head, dorsal; 134 — anterior part of head.gula and part of maxUlolabium, 

 ventral; 135 — labrum; 136 — left mandible, dorsal (A) and ventral (B). 



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Labrum (Figure 135) with wide, membranous anterior margin; dorsal 

 sclerite tuberculate, chestnut brown; posterior margin and posterior angle 

 sclerites blackish brown; sclerite with shallow median indentation; seta 1 

 barely visible on membrane among hairs; setae 2 and 4 transparent, thick, 

 curved inward, close to anterior margin; seta 3 situated in anterior angle, 

 short, brown; setae 5 and 6 dark, slightly larger. 



Mandibles long, black, without teeth; brush near dorsal margin of median 

 depression, chaetoids light, yellowish; outer setae dark brown, dorsal seta 

 much longer than the ventral (Figure 136). 



Pregula black, projecting beyond margin of head, fused with gula, 

 forming a characteristic, T-shaped sclerite (Figure 134); sclerites of 

 cardo large, dark brown in middle, with large, black spots on inner side 

 and laterally, both setae small, one light, the other brownish; median 

 sclerites of submentum in form of 2 yellowish brown, oblong plates with 

 a brown long seta near anterior margin; lateral sclerites triangular, 

 brownish; stipes reddish brown, with large black lateral spot; submarginal 

 distal setae brown, lateral longer than median. Palpifer broad, dark brown. 



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