SARSIELLA — KORNICKER 



25 



lateral view; posterior more truncate than adult female. Dimensions 

 of selected specimens are as follows: 



First antenna (fig. 12a; pi. 2a): 4th joint with 1 long and 1 

 medium ventral bristle, othei*wise similar to adult female. 



Second antenna, mandible, maxilla, 5th hmb, 6th limb, furca 

 (pi. 26) : similar to adult female. 



Figure 12. — Sarsiella zostericola Cushman, stage V 9 from California: a, 1st antenna, 

 3rd to end joints, bristles shown only on 3rd and 4th joints; b, 7th limb (one of lateral 

 bristles broken). (Scale in microns.) 



Seventh hmb (fig. 126): terminal end with 4 small teeth near tip; 

 4 bristles in distal group, 2 on each side; 4 bristles in proximal 

 group, 2 on each side; all bristles with 1-2 bells distaliy. 



Frontal organ (pi. 2a) : 2-jointed with rounded tip. 



Eyes (pi. 2a) : medial eye large, pigmented; lateral eyes about same 

 size as medial eye, with 4 or 5 divided ommatidia. 



Genitaha (pi. 26, c) : undeveloped. 



