a row of 4 dots situated behind a single dot. Dorsal stripes present only 

 anteriorly, 3 large dots along suture further posteriorly; lateral stripes 

 replaced by 3 rows of dots; ventral surface with 3 large and 4 smaller dots 

 on each side posteriorly (Figure 782, B). Gula square, reddish brown, 

 slightly narrower posteriorly, with deep median indentation. 



FIGURE 782. T r i a e no d e s sp., larva nova: Head, dorsal (A) and ventral(B) 



Median and intermediate anterior-margin setae situated in angles, the 

 latter seta near suture; lateral anterior -margin seta on the other side of 

 suture, light, curved inward; anterior frontal seta smaller than others; 

 intermediate and posterior frontal setae situated one behind the other near 

 tentorial pits, former moderately long, latter much shorter. Setae 9 and 11 

 situated in anterior lateral angle of dorsal stripe; setae 7 and 10 moderately 

 188 long; seta 12 situated behind eye, slightly shorter; setae 14, 15, and 16 



situated one behind the other parallel to row of dots near frontal suture; seta 1 3 

 short, thin, situated lateral to 15; seta 17 short, light, curved inward, 

 situated medial to 16 (Figure 782, A); seta 8 large; seta 18 small, thin. 



Labrum with deep median indentation; setae 1 and 2 in form of thick, 

 transparent spines situated close to anterior margin; setae 4 thin, relatively 

 large; setae 3, 5, and 6 as in T.bicolor. Distal tooth of left mandible 

 large, separated by a shallow, longitudinal fold from 2 teeth of dorsal blade 

 and a deep indentation from 3 teeth of ventral blade; 1st of 3 teeth of ventral 

 blade as large as distal tooth. Right mandible with 2 teeth on each blade in 

 addition to the distal tooth; lateral setae thin, equally long. 



Pronotum (Figure 783, A) yellow, with pale pattern; a group of indistinct 

 dots on each side posteriorly; posterior margin pinkish brown; posterior 

 angles dark. Setae in Figure 783, A. 



Mesonotum (Figure 783, B) light yellow, with indistinct dots. 



Legs yellow, without pattern. Natatorial setae of hind legs as in 

 T. bicolor. 



Lateral processes of 1st abdominal segment with a light yellowish area 

 with spines, indistinct on this light surface; sclerite absent. 



Gills on segments 2—7. 



610 



