Number and arrangement of gills of 

 A.stigmatella 



Segment 



Dorsal 



Ventral 



1 



1 





2 



2(1) 



1 



1 



3 



2(1) 

 1 



1(0) 



1 



4 



1 



1 

 1 



5 





1 



6 





1 



Hind coxa with 2 thick, long, brown setae among those at anterior margin 

 of distodorsal indentation, posterior margin of indentation with 6—7 setae, 

 5—6 of them long and thick, including the primary seta. Posterior seta of 

 trochanter very long, but thinner than distodorsal setae of coxa; anterior 

 seta short, thick, as on the midlegs; basoventral seta light, moderately long; 

 posterior apical ventral seta long, light brown; subapical seta light, short, 

 curved; both anterior ventral setae in form of 2 small, thin, light spines, one 

 of them apical, the other nearer to basal suture; secondary setae of 

 trochanter and other segments as in Figure 206, C. Primary basodorsal 

 seta of femur thin, light brown, long, much longer than the apical dorsal 

 seta; posterior primary seta situated in distoventral part, longer than 

 tibia; primary distoventral seta in form of large, thin, light spine, situated 

 in middle; basoventral seta very thin, brownish, moderately long. Primary 

 apical and subapical setae of tibia thin, long; 2 basal, secondary setae longer 

 and thinner; 2 secondary dorsal setae of tarsi also longer than the primary 

 setae. 



Lateral line on segments 2—7 consisting of small light hairs. Gills 

 on segments 1—6; dorsal presegmental gills of segments 2—3 usually with 

 2 filaments. 



Tergite of segment 9 light brown, with coarse, brownish punctation near 

 anterior margin; medioanal seta black, or blackish brown, long, much longer 

 and thicker than the others; anterior -angle setae thin, brown, slightly 

 shorter; the other 16—21 setae, including primary intermediate and lateral 

 setae, short and moderately long, brown, most of them thin. 



Sclerite "b" of anal legs chestnut brown, with small spinules in rows; 

 median distal and neighboring seta black, the former thick, long, the second 

 slightly smaller and thinner; lateral seta brown, thin, moderately long; 

 subapical seta of median margin the same; ventral seta short, thick. 

 Sclerite "c" light yellow, with broad, brownish lateral margins; seta light, 

 small, thin. 



Claw light brown at the base, reddish brown apically, with 2—3 small, 

 dorsal spinules; seta 1 short, thick, light, situated in middle of basal part; 



157 



