Reports to the Board of Agriciilture. 135 



GROUP E. 



SUB-GROUP B. ANIMALS WHICH CAUSE INJURY OR 

 DISEASE TO MAN'S VEGETABLE PLANTATIONS. 



Section I. 

 Animals Injurious to Agriculture. 



Wireworm. 



Peevention and Remedies. 



The following notes are regarding the treatment to Ije adopted 

 against Wireworm : — 



" Numerous experiments both in the field and lalx)ratory have 

 been made to find out some way by means o1' wlueli Wireworm mny 

 be killed in the ground. At present all experiments have failed 

 except with bisulpliide of carbon, which is too expensive to use over 

 large areas as in field cultivation.* 



" There are nevertheless certain measures we can take whicli will 

 prevent and materially lessen these ground pests. 



" Much good may be done in hop yards, gardens and nurseries by 

 trapping the Click beetles. This may be done by laying small heaps 

 of lucern, clover or sainfoin about on the ground, covering them over 

 with tiles or pieces of board during May and June, and as long as 

 the beetles are noticeable. They fly to these shelters, particularly if 

 the ground is clean, and deposit their eggs, as well as shelter l)eneath 

 the green material. These traps must be examined as often as 

 possible, the beetles collected and the green stuff destroyed every ten 

 days, and the ground lieneath well beaten down so as to destroy any 

 eggs that might lie present. Boards and tiles might be placed 

 beneath the bait so as to save any eggs from getting on the soil. As 

 inany as one hundred Click beetles have been taken from a single 

 trap in a week. 



* Certain ]iatented substances are said to kill Win-vrorm in the soil, but tliey 

 have Y<?t to be found .successful. 



