(234' 



234 



Setae reddish brown, with few exceptions. Anterior-margin setae, 

 median and intermediate, moderately long, latter longer than former; 

 lateral anterior-margin seta short, transparent, curved inward; anterior 

 frontal seta the same, middle frontal seta moderately long, longest on 

 sclerite, posterior frontal seta small, thin; seta 9 thick, long; seta 7 much 

 shorter and thinner; setae 10, 11, and 13 small, light; seta 14 thick, larger 

 than 9, largest on head; seta 12 moderately long; seta 15 thin, light brown, 

 of moderate length; seta 16 light, small, procumbent; seta 17 large, strong, 

 slightly shorter than middle frontal seta. Setae 8 and 18 as in Figure 411, B. 



Dorsal sclerite of labrum uniformly chestnut brown; posterior-angle 

 sclerites no darker; median depression shallow; seta 1 in form of small, 

 light, thick, pointed spine; seta 2 and 4 small, light, seta 2 curved; seta 3 

 straight, short, light; setae 5 and 6 situated on surface, reddish brown, 

 thick, larger than others. 



Mandibles reddish brown distally, elsewhere black; middle tooth of left 

 mandible sharp, projecting, 2 large and a smiall tooth dorsal to it on dorsal 



blade; 2 large teeth ventral to 

 it on ventral blade; brushes of 

 chaetoids situated in basal part 

 on dorsal blade in both mandibles; 

 lateral setae situated basally, 

 dorsal seta short, dark, thin, 

 ventral smaller, light. 



Sclerites of cardo brown in 

 middle; median margin wide, 

 dark reddish brown; lateral part 

 dark reddish brown, except for a 

 small, narrow, brown stripe at 

 anterior margin. Submentum 

 brown; setae thin, moderately 

 long, and situated on large 

 sclerotized dots. Stripes brown; 

 median margin dark brown pos- 

 teriorly; lateral seta moderately 

 long, distal seta small, both thin, 

 light brown. Palpifer reddish 

 brown; apical seta short, brown; 

 basal median seta small, light; 

 segments of maxillary palp 

 about the same length, sclerites 

 reddish brown; galea wide, short, 

 conical. Mentum in form of wide, 

 dark reddish brown semicircle. 

 Ventral sclerites rodlike, brown- 

 ish, seta small, light. Palpiger 

 horseshoe- shaped, brown. Labial 

 palps distinct, light; labium with 

 rounded apex. 



Pronotum (Figure 412) mainly 

 light brown; anterior third brown, 

 groove chestnut brown in middle; 

 anterior margin narrow, brownish; 



FIGURES 414- 

 Curt.: 



«/« 



-416. Phacopteryx brevipennis 



414 —right trochanter and femur of fore leg (A), mid- 

 leg (B), and hind leg (C), posterior; 415 — larval case; 

 416 — pupa: dorsal process of abdominal segment 1 (A), 

 anal rods (B) (416 - after Strucl<), 



293 



