1911] 



Hypera and Phytononuis in America 



447 



line is still quite visible on the head. Head light brown. The cervical 

 shield has lost its color, but the faint dorsal white line is still noticeable 

 throughout the whole length of the body. The seta? are still prominent, 

 there being four long ones on each segment, those on the last two seg- 

 ments being very long. (Description by Wildermuth and Webster)." 

 From Webster, Bui. 85, 1909. 



Cocoon: (Plate XXX, fig. 3). Constructed of very fine white 

 threads intermixed with coarser threads, more nearly globular than 

 cocoon of P. posticus. Meshes rather irregular and open, not finely. 

 closely, evenly arranged. 



Pupa: (Plate XXX, fig. 2). "Pupa distinctly resembling the 

 adult. Abdomen almost colorless, with a slight tinge of yellow. Head, 

 thorax and appendages increasing in density of black from time of pupa- 

 tion until emergence. A very distinct white line passes through center 

 of dorsal surface of thorax and head, and continues on through the beak 

 where it reaches its greatest width. (Description by Wildermuth)." 

 From Webster, Bui. 85, 1909. 



Map 9. Distribution of Phytonomus nii^rirostris Fab. 



