532 



Anterior-margin setae situated in angle, thick, dark brown, moderately 

 long, median seta slightly smaller, lateral seta light, situated on the suture, 

 curved inward, thick at base, filiform apically; anterior frontal seta shorter, 

 procumbent, intermediate frontal seta short, thin, brown, posterior frontal 

 seta small, situated near curvature of sutures. Seta 7 situated at anterior 

 margin ventral to antenna, strong, moderately long; seta 9 slightly longer 

 and thinner, dorsal and anterior to eye near margin of light periocular spot; 

 seta 10 situated lateral to spot, brown, thin; seta 11 small, thin, situated 

 behind seta 9; seta 12 situated more ventrally near 14 behind eye, light 

 brown, relatively large, strong, moderately long; seta 14 longer, dark, 

 situated near posterior margin of eye; seta 13 situated medially near 14, 

 small, brown; seta 15 brown, thin, moderately long, situated behind 14; 

 seta 16 dark, short, procumbent; seta 17 small, dark. Ventral side: seta 8 

 small, strong, brown; seta 18 smaller. 



FIGURE 854. Notidobia ciliarisL. Head, dorsal and labrum 



Labrum (Figure 854) slightly oblong, rounded anteriorly, narrower 

 posteriorly; dorsal sclerite chestnut brown, with deep median depression 

 and tuberculate anteriorly; median pit asymmetrical; a large, light 

 brownish spot in posterior part. Seta 1 in form of a thick, blunt, small 

 spine; seta 4 slightly longer and thinner, blunt, light; seta 2 much larger, 

 short, thick, pointed; seta 3 slightly longer and thinner, situated at anterior 

 angle; setae 2 and 3 light; setae 5 and 6 grayish, situated medially to 3, 

 also large. 



Mandibles short, massive; basal part large, black, divided by a ridge from 

 small, reddish apical part; distal tooth of left mandible situated in a row 

 with 2 ventral teeth, all of them blunt, distinct; 2 rounded processes dorsally 

 on left mandible; distal tooth of right mandible larger than others, 2 small, 

 rounded processes ventral to it, a wide rounded process and a large, 

 triangular tooth dorsally on dorsal blade; brush with pale yellowish 

 chaetoids; lateral setae situated some distance from basal margin, short, 

 of equal length; dorsal seta reddish brown, strong; ventral seta thinner 

 and lighter. 



664 



