2 CIRCULAR 51, U. S. DEPARTMENT OF AGRICULTURE 



and later show red. The newly hatched bugs (fig. 1, B) have much 

 the form of the adults. At first they are yellow, but they soon turn 

 bright red, with a pale band across the abdomen. A few days before 

 becoming adults they change to a brown-black color, but retain the 

 pale band, which is partly covered by the wing pads. 



Figure 1. — The chinch bug: A, Eggs of the chinch bug very greatly enlarged; B, C. D, 

 and E, first to fourth stages of the nymph or larva ; F, last nymphal stage or pupa ; 

 Or, adult female of the long- winged form, all greatly enlarged. (Luginbill.) 



