36 INSECTS NOXIOUS TO AGRICULTURE. 



p. 351) : viz., the transportation or acclimatization of parasite* 

 on scale-insects. Doubtless the thing could be done, as experi- 

 ments in America have shown. But there are plenty of parasitic 

 insects in New Zealand already, and, although they seem to have 

 hitherto confined their work to the native and mostly to the in- 

 noxious Coccids, they may at any time begin to attack the others, 

 and it is only a question of time when they will act usefully as 

 efficient checks (see Chap. IV.). 



There is one Coccid of which it must be said that, whilst 

 kerosene mixtures will undoubtedly destroy it, by far the best 

 remedy of all is to destroy and burn at once the infested trees. 



U.S. Department of Agriculture 



Reports by Professor Eiley, Professor Comstock, Mr. Hubbard, Mr. L. O. 



Howard. 

 N.Z. Parliamentary Papers, 1885 



Report of the Select Joint Committee of both Houses on the Codlin-moth^ 



and " various blights to which fruits are subject." 

 Personal experiment by the author and friends. 

 Replies of farmers, gardeners, and tree-growers to inquiries, official or private. 



