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Chafer-grubs are white or dirty-yellow, also pale and soft; cylindrical, 
doubled on themselves, very large and baggy behind; wit l 
developed head and antennæ, and six well-developed legs. 
If any other nee a insects are found to be associated with o 
recede the Longico in the damage, they ‘must be éalvefeilly 
ene as to ae? habits, &e. 
The condition of the plantations aiashed, should form the 
Te of most careful examination with a view to detecting anything 
amiss in the health of the trees or the E E under which they are 
grown. 
If some piane n a district are immune, whilst others suffer, an 
examination of each set in order to find out any diversity of conditions 
which is associated with the variation in liability to attack should be 
coast made, 
s point I cannot speak from botanical knowledge, but with that 
limitation I would venture to suggest the following points as being 
worthy of inquiry : 
a.) The character of the soil ; 
(6.) The depth of the soil, and nature of the subsoil ; 
(c.) The water eg ied and drainage ; 
(d.) The aspect 
(e.) The condition of the plantation with relation to shade-trees. 
[ do not know if the Aburi coffee is grown under shade, but if not, 
the expedient of planting shade-trees should certainly be tried, with a 
view to lessen the attacks. Inthe severe infestation of coffee in Coorg Uy 
a similar boring Longicorn (Xylotrechus quadripes) there was a general 
opinion expr essed by planters that the growing of the plants without 
shade-trees was detrimental to their health, caused the ground to 
become parched and favoured the beetle attack. Moreover a plantation 
with shade-trees is a “mixed growth”; and it is a general law that 
trees in mixed wood are less liable to insect infestation than in pure 
wood, 
If on the other hand, the attacked faseei is already grown under shade, 
an examination of the shade-tree employed should be made to find out 
if it suffers from the same Longicorn borer as that attacking the 
cottee—if so it should be rejected 1 in future in favour of some species of 
tree not so affected, and in plantations where it already exists it should 
be cared for and not allowed to become infested and breed out beetles 
freely, to migrate to the coffee. 
If positive evidence is obtained that the infestation is EN ed by 
any of " conditions of cultivation mentioned in this section, steps 
be taken to modify those conditions in ct diee with the 
rrived at. 
Other indigenous trees should be examined to see if they are 
eot by the same species of beetle, If this is dioe to be the ease, 
uded 
plantations. If this is done they should b be removed, stumps and all, 
or the stumps earthed up. No ne ogs, d ad trees, or cut b: hes 
of coffee or any tree which seryes as a host should be left about the 
coffee plantations. Al attacked uh which experience shows to be 
t recovery should be at once cut down, remov removed, and burned. 
robably careful attention to this matter will greatly lessen the damage- 
