INJURIOUS INSECTS 



317 



GRAIN BEETLE OR GRAIN WEEVIL. (Silraiius suri- 

 namensis Linn; order Coleoptera.) Reddish brown 

 beetle about one-tenth of an inch in length; feeds in 

 stored corn or other grain. 



Remedy. -bisulphide of carbon. 



ANGOUMOIS GRAIN MOTH. ( Gdecliia- cereal ell a- 

 Oliv. ; order Lepidoptera. ) The larva burrows within 

 kernels of stored grain, making small round hole. See 

 Figure 108. 



Remedy. Carbon bisulphide. 



CORN WORM. See under Tomato. 



CORN-ROOT LOUSE. (Aphis maidi-radicis Forbes; 

 order Hemiptera.) Masses of small bluish lice found 

 feeding on roots of corn plants. 



Remedy. - Thorough spring culture to keep down 

 weeds upon which lice can also live, and to encourage 

 the more vigorous growth of the corn. 



GRASSHOPPERS. (Family Acridida?; order Orthop- 

 tera. ) For description, see pages 3-12. 



Pre ven tive. -Disk-harrowing in early spring, where 

 grasshoppers deposit their eggs the fall before. 



Remedies. Arsenites in bait. When grasshoppers 

 are entering a new field, a strip of the field at the place 

 of entrance may be sprayed with arsenites, to be fed 

 upon as they enter. Catching with " hopperdozer." 



Cucumber. CUCUMBER OR PICKLE WORM. (Eudi- 

 optis nitidalis Cram.; order Lepidoptera.) Larva 

 about an inch long, yellowish white, slightly green, 

 boring into cucumber. There are two broods. 



Remedies. -Hand-picking when they first appear. 

 Infested fruit to be destroyed. 



