Dorsal sclerite of labrum reddish brown, with a large, darker, median 

 dot behind pit and a small dark median area near posterior margin; seta 1 

 in form of a small, thick, blunt, light spine; seta 2 represented by a small, 

 thick, blunt, curved spine; seta 4 similar but slightly larger; seta 3 light, 

 short; setae 5 and 6 dark brown, situated lateral to large dot. 



Mandibles black; distal margin blackish brown; left mandible with large, 

 projecting, middle tooth, and with 2 smaller teeth on dorsal and ventral 

 blade; subventral tooth of right mandible larger than others, 3 smaller 

 teeth dorsal to it on dorsal blade, a small tooth ventral to it on ventral 

 blade; lateral setae situated basally, dorsal seta darker and larger than 

 light ventral seta. 



Sclerites of car.do brown; median margin and lateral stripes reddish 

 brown; setae small, thin. Submentum reddish brown; sclerotized dots at 

 base of setae slightly darker. Stipes brown; lateral seta moderately long, 

 much longer than median seta. Palpifer dark brown, distal seta strong, 

 dark, median seta in form of small light spine. Mentum blackish brown. 



Pronotum (Figure 432) yellow, whitish yellow in some places; middle 

 of groove in anterior third golden brown; sclerites slightly brownish along 

 median suture before and behind stripe; dots of median pattern and groups 

 of dots on sides distinct, large, reddish brown; anterior margin narrow, 

 brown; posterior margin broad, yellowish brown; posterior-angle process 

 with wide blackish margin, with groups of small pinkish dots at base; 

 transverse stripes of posterior margin short, dark, divided by a large, 

 light space. 



Mesonotum lighter than pronotum; anterior margin with small, narrow, 

 dark stripe in each half, a small dark area a'nd several dots near margin; 

 posterior margin present only at posterior angle, narrow, reddish brown. 

 ^ „ Tergites of metathorax distinct, brown or chestnut brown; anterior 



tergites small, situated close to median line, with 4 — 5 secondary setae in 

 addition to dark, moderately long, primary seta; posterior median sclerites 

 large, medioanal seta long, intermediate and lateral seta smaller, 2 — 3 

 small secondary setae; lateral sclerites pale yellowish, with slightly dark, 

 transverse band of fine oblique striation and 2 large dots, posterior part 

 with a longitudinal row of 5 — 6 large dots, primary anterior- angle seta 

 thick, dark, of moderate length, 11 — 12 remaining seta of different size. 



Prosternite (Figure 433) brown, pentagonal, with short, narrow, dark 

 stripes at anterior and posterior margin, with lateral groups of pinkish dots 

 basally. Mesosternites represented by groups of large dots, in some places 

 by thin sclerites, and several small dots lateral to large dots. Metasternites 

 in form of several large sclerotized dots. Horn grayish brown. 



Legs yellowish brown, with coarse, distinct, reddish brown punctation. 

 Primary ventral setae of fore femur (Figure 434, A, B) in form of 2 light 

 spines, a small, blunt, basal spine and a pointed, apical spine; posterior 

 seta larger, short, strong, situated above basal spine, slightly basal or 

 apical to it. Ventral setae of mid-femur (Figure 434, C) strong, black, 

 moderately long, widely separated. Primary ventral setae of hind femur 

 (Figure 434, D) situated in distal part, black, strong, apical seta moderately 

 long, basal seta shorter; trochanter with 5 — 7 small, secondary setae 

 posteriorly. 



Gills on segments 2 — 8. 



309 



