1911] Hypera and Phytonomus in America 473 



PLATE XXX. 

 Phytonomus nigriroslris Fab. 



1. adult dorsal. 



2. pupa (alcoholic). 



3. cocoon. 

 Phytonomus meles Fab. 



4. adult dorsal, gray form. 



5. adult dorsal, striped form. 

 9. adult face, striped form. 



Phytonomus castor Lee. 



7. adult dorsal, type (M. C. Z.). 



8. adult side, type (M. C. Z.). 



6. adult face, Aweme specimen. 



(All enlarged lOx). 



(All but fig. 9 enlarged lOx). 



PLATE XXX I L 

 Phytonomus posticus Gyll. 



1. larvae in characteristic feeding position. 



2. larvae showing typical curling habit. 



3. leaf showing injury. 



4. adult injury to stem. 

 5-7. adult feeding punctures. 



8. stem split open showing eggs. 



9. young larva coming out of stem. 



(Figs. 1-7 adapted from Titus: Bui. 110, Utah Agr. Exp. Sta.) 



PLATE XXXIII. 

 Phytonomus posticus, Gyll. 



1. Barton gathering machine at work. 



2. Hemenway gathering machine. 



3. Weevil larvae captured from three acres 



by Barton machine. 

 (From Titus, Bui. 110, Utah Agr. Exp. Sta.) 



PLATE XXXIV. 



Phytonomus posticus Gyll. 



1. Second crop alfalfa on ground harrowed and brush-dragged 



(Fox place). 



2. Second crop alfalfa on untreated ground same date. 



3. Typical hibernation quarters on border of field. 



