INSECTS ATTACKING CEREAL CROPS. 



OOIRlXr I3NTSEOTS. 



CHINCH-BUG. 



(Blissus leucopterus Say; Order, Hemiptera.) 



Diagnosis. A small dark-colored bug with white wings, a dark 

 triangular spot on each, in great numbers on the corn stalks and 

 growing leaves, sucking the juices from the plant; the corn turns 

 yellow and withers. The bugs are often in such numbers as to 

 blacken considerable spaces on the corn plants. 



Attacking also wheat, millet, and other cereals, and grasses. 



FIG. 7. CHINCH-BUG: a, adult; b, young with prominent wing-pads; c, very young 

 or "red bug;" d, adult killed by the Sporutrichum fungus and covered by it. 



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