237 



the femora. In the third and fourth stages the legs and antennae are 

 yellow-brown, the antennae darker towards tip, and the tibiae and tarsi, 

 particularly those of the hind legs, darker than the femora. The sizes 



Fig. z>\.—Bysdercus suturellus : a, first stage; &, second, c, third— all enlarged (original). 



of the drawiflgs themselves in Figs. 51 and 52 are not relative, but the 

 length of the hair lines will show the actual size of each stage. 



Fig. 52. — Dysdercus suturellus: a, fourtli stage, or pupa ; b, adult— both enlarged (original). 



The Adult.— The adult bug varies in length from 10"'^^ to 15^"^i (0.4 to 

 0.6 inch). The hinder x)ortion of the thorax and the wing-covers varies 

 from dark brown to black, the latter being crossed with narrow lines of 



