96 
time enemies of the wheat plant also showed up again last year in two 
or three parts in Canada, namely, the wheat midge (Diplosis tritici). 
Of mill insects the Mediterranean flour moth continues to be trou- 
blesome, and an interesting occurrence was found a few miles from 
Ottawa, where the insect in a badly infested mill was abundantly par- 
asitized by a small Limneria, probably Z. fugitiva. The ordinary 
meal moth (Pyralis farinalis) was the author of considerable loss in 
stored grain at one locality in Manitoba. 
FODDER PLANTS. 
The clover weevil (Phytonomus punctatus) has as usual been found in 
one or two places along Lake Ontario this spring, but, as has always 
been the case with us in Canada, was quickly wiped out by the fungus 
Entomophthora phytonomr. A far more general and destructive 
insect to clover with us is the lesser clover weevil (P. nzgrirostris). 
Three or four occurrences have been reported in the Province of 
Ontario of the clover-root borer (Hylastinus obscurus), but the loss 
has not been great. 
TREES AND SHRUBS. 
Probably the items of the greatest interest under this heading were 
the abundant occurrence in Manitoba and the Northwest of some 
insect enemies of the ash-leaved maple (Wegundo aceroides), the 
Negundo gall gnat. The fleshy galls of a cecidomyiid-like larva were 
found in enormous numbers on the young leaves in June. Wherever 
this tree had been planted for shade or ornament throughout Mani- 
toba and as far west as Indian Head, the trees were much disfigured. 
There appears to be only one brood in the year. Occurring on the 
same trees were the larve of the cankerworm (A/lsophila pometaria), 
which in many places stripped the trees of leaves. This is a con- 
stanly recurring enemy of the ash-leaved maple in Manitoba. Another 
serious enemy of this much burdened tree is the aphid (Chactophorus 
negundinis), which renders the trees filthy by reason of its copious 
honey dew and the black fungus which grows upon it, Fumago. The 
larva of a small moth also causes swelling in the twigs while green 
and subsequently most of these twigs are permanently injured. The 
moth was identified by Dr. Riley as Proteoteras escularia. 
There are of course many other insects which might be mentioned, 
but these are the most interesting I can think of at the present 
moment. 
All the papers having been presented, the following discussions took 
place: 
Mr. Woodworth called attention to a method of combating the cod- 
ling moth frequently used in California. He stated that the California 
erowers at the time of cultivating their trees in the fall frequently 
