THE GREEN CLOVER WORM A BEAN PEST. 



831 



The naked pupa is dark brown in color, about 12 mm. (one-half 

 inch) long and 3 mm. thick. A dorsal ridge extends from the 

 head over the thorax and first four segments of the abdomen. 



Adult. The moth has a wing expanse of from one to one 

 and one-half inches, and in general is a dark purplish brown 

 color with the fore wings more or less distinctly mottled with 

 bluish gray, brown and black. The rear wings are very broad, 



Fig. 18. The green clover worm : a, moth in natural position with 

 wings folded ; d, same with wings expanded ; c, egg from above ; d, side 

 view of egg ; e, penultimate stage of larva, dorsal view ; /, same from 

 side; ^, head of larva. All enlarged. (After Chittenden, Bulletin 30, 

 Bureau of Entomology, U. S. Department of Agriculture.) 



smoky brown, and without markings. It is an extremely vari- 

 able species, some specimens, especially males, being nearly uni- 

 form in color, while others, usually females, show very distinct 

 markings. Ordinarily the females have somewhat less than half 

 of the apical portion of the front edge of the fore wing marked 

 with light bluish gray. Basally this extends across the wing 

 in some cases, but apically it is limited by a blackish or brownish, 

 more or less suffused mark, which extends diagonally from the 

 apex of the fore wing, becoming less distinct toward the point 

 where the base of the gray patch meets the rear margin of the 

 wing. 



