36 INSECTS NOXIOUS TO AGRICULTURE. 
p- 3851): viz., the transportation or acclimatization of parasites 
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. 
Leer, ya purchasi is so voracious and universal a feeder, so tepul- 
SB an eee es 
sive in its asnecet and ca dactonativa in tta off.-1~ 
iseports by Professor Riley, Professor Comstock, Mi. 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. 
