104 HATCH EXPERIMENT STATION. [Jan. 



when the investigations now being made on it are completed. 

 An allied species, the clover-leaf beetle (^Phytonomus piinc- 

 tatus), is reported in various parts of this country, and is 

 said to have done a great deal of damage. 



The Buffalo Carpet Beetle. 

 The Buffalo carpet beetle has caused housekeepers more 

 or less trouble for a long time, and the correspondence about 

 this insect has been more extensive during the last ten years 

 than on almost any other. My attention has recently been 

 called to an invasion of this insect in the storehouse of the 

 Geo. Gilbert Manufacturing Company, in Ware, where it was 

 destroying woolen goods. After considering the matter 

 very fully, the owners were advised to close the house as 

 tightly as possible, and fumigate it with hydro-cyanic acid 

 gas. Full instructions were given, in order that no acci- 

 dents might occur from the use of this deadly gas. 



Arsenate of Lead and Bordeaux Mixture. 

 Arsenate of lead has proved so valuable an insecticide for 

 the destruction of the gypsy moth, as well as other insects, 

 that several correspondents have inquired if it could be used 

 with Bordeaux mixture. A trial was therefore made on 

 several apple trees on my own grounds, with most excellent 

 results and without any injury to the foliage, though the 

 arsenate of lead was used in the proportion of five pounds 

 to one hundred and fifty gallons of water. The fruit of 

 these trees had been badly aftected by the scab for several 

 years, but after a single spraying with the above prepara- 

 tion the fruit in the fall was in excellent condition. Experi- 

 ments will be performed with these substances another year, 

 before g-ivino- a detailed account of the work. 



