154 



mitted to run through the orchard, as was suggested for the 

 apple maggot, will destroy large numbers of these insects ; 

 and spraying, jarring and the utilization of these animals 

 will, taken together, be an effective check ujion the ravages 

 of the plum curculio. 



iimmKmi^ 



White-marked tussock moth: a, caterpillar; b, female pupa; c, male pupa; d, male 

 moth; e, same, wings spread; /, female moth; g, female moth on cocoon; h, egg 

 mass with froth over it; i, cocoons on tree trunk; k, same, showing females and 

 egg masses also; all slightly enlarged. 



Tussock Moth. 

 The fruit grower who examines his trees during the win- 

 ter months will frequently notice a dead leaf still adhering 

 to some twig, and this should at once arouse his suspicions 

 that insects are present. Sometimes the leaf is one which 

 has for some reason retained its normal attachment to the 



