INSECTS INJUKIOUS TO THE GIJATNS AND GRASSES. 53 



localities in Cuba, Central America, Panama, Lower and 

 Central California; but the area in which it has been most 

 injurious lies in the Central and North Central States. 

 During the last fire years, however, its attacks have been 

 increasingly wide-spread in Ohio and Kentuck}^, and in 

 August. 1898, some damage was done by it in Pennsyl- 

 vania and New York. 



Description. — The adult bug is about one-fifth of an inch 

 long, with a black body. Its white wings lie folded over 



Fig. 29.— The Adult 

 Chmc\\-\i\xg{Blissus 

 leucopterus Say) 

 enlarged. (After 

 Riley.) 



Fig. 30. — a, h, eggs magnified and natural 

 size; c, young nymph; e, second stage of 

 nymph; /, third stage; g. full-grown 

 nymph or pupa; d, h, j, legs; i, beak 

 through which the bug sucks its food. 

 (After Riley.) 



each other on the back of the abdomen, and are marked 

 by a small black triangle on their outer margins, while the 

 bases of the antennae, or feelers, and the legs are red. The 

 young bugs are mostly red, but vary in the different stages. 

 Life-history . — During the winter the bugs hibernate in 

 clumps of grass and under boards and rubbish. With the 

 first warm days of spring they come forth and spread about 

 the neighboring wheat-fields, but there do little harm. 

 Very soon they pair, and the females, each of which is 



