ANIMALS INJURIOUS TO FARM AND GARDEN PRODUCE. II 



I am glad to notice that in many districts prizes have been offered 

 and awarded to the school children for the greatest number of dead 

 specimens. ' In one case the premier prize was given for a box con- 



FIG. 3. LARGE CABBAGE WHITE BUTTERFLY. 



1. Female butterfly. 2. Eggs. 3. I,arva. 4. Pupa. 5 and 6. Parasitic 

 Ichneumon-fly (Pteromalus brassicae), natural size and magnified. 



taining 2,974 butterflies, the second for 1,726, and the third for 700, 

 making a total for 5,400 specimens destroyed. The practice is to be 

 commended, and I trust many Societies will offer prizes for this and 

 other common injurious insects. 



THE 5ILVER=Y MOTH. 



Plusia gamma, Linn. 



Although this moth rarely commits any serious damage, I am 

 giving a short notice of it, as it has been forwarded by so many 

 correspondents. 



On the European Continent it has occasionally been known to 

 appear in vast numbers, and do a great deal of damage to Sugar Beet 

 crops. 



