WHEAT-BULB FLY. 37 
occurrence of this attack after fallow, and after Turnips, and also 
where Turnips have failed, a point which has been noticed before, and 
also dates of sowing, &c. 
Mr. Parlour remarked:—“ I am sending you some Wheat-plants, 
in which you will doubtless find some specimens of what is supposed 
to be the Hylemia coarctata maggot. The field I took them from (and 
there are two others on the same farm quite as bad) cannot possibly 
yield more than half a crop, and even this moderate calculation 
is based on a considerable improvement from what it was like at one 
time. It is after fallow manured with farm-yard manure, and the 
fallow was after Oats manured in the same way. It was sown about 
October 15th. A portion that was in Tares last year, when the rest of 
the field was in fallow, has suffered in a much smaller degree than 
the rest of the field. There is also a depression in the field, where 
probably there has been a pond at some time, and this part has not 
suffered in the least. With these exceptions, the rest of the field is 
very much alike. I cannot account for these places being better than 
the rest of the field. Last year I only noticed attacks of the Hylemia 
coarctata after fallow and after Turnips, and this year it is the same. 
On our own farm we were rather afraid of sowing the fallows with 
Wheat, and we contrived to get a crop of Rape on them, or sow them 
with spring Corn in every case but one, and this field we seeded 
very thickly. I have found a few attacked plants in this field, but no 
serious damage has been done. The only place where we have any 
appreciable amount of injury from it is on a small patch of Wheat 
growing on a place where Turnips missed last year, the rest of the 
field having suffered no injury. These are the only two fields in which 
we found any traces of it. The field that was almost destroyed last year 
we have again sown with Wheat, and it looks well, and has not 
suffered from the Fly in the least degree. I may mention that the 
fallow was sown on Oct. 22nd, and the Turnip-land on Dec. 8tli, the 
Wheat sown on the Wheat-stubble where the attack was last year 
being sown on Nov. 23rd. Another neighbour has a piece of Wheat 
sown after Turnips badly attacked. It was sown by hand, and the 
only decent bit of Wheat in the field is a rig he allowed a lad to sow, 
and the lad put on twice as much seed as he did. This brings me to 
an important point. The only remedy, not against the attack, but 
against damage arising from the attack, which I can suggest, after 
carefully considering the matter for the last two seasons, and adding 
my own observations to the valuable information contained in your 
letters and Report for 1888, is a very thick seeding on all lands where 
the attack is feared; for if the crop escapes, and is considered to be too 
rank in the spring, a portion of the plants can be harrowed out. In 
three cases this spring I have found the maggot, after destroying the 
