Pronotum (Figure 742, A) light in its greater part, without dots, with a 

 broad, dark stripe anteriorly, anterior part of stripe shining black, posterior 

 part reddish brown, indistinct; posterior margin narrow, black, reddish 

 brown in some places, with distinct, white or yellowish specks. 



;460) 



FIGURE 742. Athripsodes senilis Burm. Pronotum (A) and mesonotum (B) 



Mesonotum (Figure 742, B) mainly light; posterior-angle streaks black, 

 their anterior part smaller than posterior; a pale, pinkish brown stripe 

 along median suture, darker anteriorly and posteriorly; 2 indistinct dots 

 anteriorly before streaks, one dot laterally. Setae black or blackish brown; 

 anterior-angle seta and medioanal seta long; intermediate seta short, thin; 

 lateral seta small, situated before streaks; anterior-angle group consisting 

 460 of 5 setae, primary seta black, longer and thicker than others. Anterior- 

 margin seta and medioanal seta of metanotum moderately long, dark; 

 primary anterior-angle seta long, black, accompanied by 2 small, light, 

 secondary setae. 



Propleuron yellowish white; pleural suture and margin of episternum and 

 trochantin black; seta of trochantin situated in middle of anterior part; seta 

 of epimeron situated distally near suture, both setae moderately long, black. 

 Pleurites of meso- and metathorax light yellow; pleural suture and margin 

 of episternum black; setae strong, dark, moderately long. 



Legs yellow, without dots. Ventral surface of fore femur very short, 

 convex. Hind tibia ventrally with 11 light spinules, tarsus with 8. 



Dorsal process of abdominal segment 1 wide and large; anterior-margin 

 and medioanal setae small, thin; lateral process with an almost straight, 

 rodlike, black sclerite with narrow distal part; apical seta short, strong, 

 black; subapical seta small, light; spinose area yellowish. 



Gills on segments 1 — 8. 



Abdominal segment 9 without tergite,with 4 setae situated on a light, 

 membranous surface laterally at posterior margin: a long, dark, brown, 

 medioanal seta, a similar, anterior-angle seta, a small, intermediate seta, 

 and a short, thin, lateral seta, the latter 2 setae light. 



Sclerite "b" of anal legs mainly whitish, with a longitudinal, wide, long, 

 reddish brown stripe dorsally; a small, dark brown, marginal area with a 

 thin, short, strong, black lateral seta at base of claw; distodorsal setae 



576 



