mOCEEDIXGS OF THE THIRD ENTOMOLOGICAL MEETING 



743 



A.— Pusa No. 4, 1 lb. in stoppered glass jar :— 



20 live weevils put in. 



Wt. = 1 lb. 40 grains ; not affected. 

 All the 20 weevils dead ; picked out. 



Not affected. 



Wheat unaffected ; 20 weevils put in. 



837 weevils picked out. 



2,100 weevils picked out. Grains decomposed and 

 emitting a bad smell, altogether unfit for use. AVeight 

 left after sieving and drying = 13i oz. 



In 10 months 15th March to 21st January the weevils multiplied 41 times and in 

 =about 20 months from 15th March 1917 to 7th November 1918 about 147 times. 



15th May 1916 

 6th July 1916 



4th December 1916 

 15th March 1917 . 

 21st January 1918 

 7th November 1918 



B,_Puga No. 6, 1 lb. in stoppered glass jar :- 



15th May 1916 

 6th July 1916 



4th December 1916 

 15th March 1917 . 

 22nd January 1918 



7th November 1918 



20 live weevils put m. 



Unaffected. All the 20 weevils picked out dead. 

 Weight of grains= 1 lb. 20 grains. 



Unaffected. 



Unaffected ; 20 weevils put in. 



1,389 weevils picked out. Benzine was applied to 

 stupefy the weevils. 



28 weevils picked out. 



Weight after sieving, 14i oz. The grains in good condi- 

 tion except that they are bored. They are not 

 decomposed and do not emit any smell. Can be used. 



In about 10 months, from 15th March to 22nd January 191 

 ■about 69 times. 



the weevils multiplied 



C— Pusa No. 12, 1 

 15th May 1916 

 6th July 1916 



4th December 1916 



in stoppered glass jar : — 



20 live weevils put in. 



19 dead weevils picked out, 4 live ones present, evidently 



3 bred out from the grains. The 4 living ones left 



with the wheat. Weight of wheat left=l lb. less 40 



grains. 

 The wheat is affected. 40 grains dust thrown out. 481 



weevils picked out, of which 195 were dead. 

 Weight of wheat after sieving 15J oz. 

 240 weevils picked out. 

 1,257 weevils picked out. 

 Weight of wheat after sieving and partly drying 13i oz. 



The grains decomposing and emitting a bad smell. 



Altogether unfit for use. To-day only 41 weevili 



found in it. 



In about 7 months, from loth May to 4th December 1916, the weevils multiplied 

 about 24 times. 



In 10 months, from 15th May 1910 to 15th March 1917, they multiplied about 36 

 times. 



In 20 months, from 15th May 1916 to 22nd January 1918, they multiplied about 99 

 times. 



15th March 1917 



92nd January 1918 

 7th November 1918 



