Forest Insect and Disease Survey; Ontario, 1965 - NFIS

Insect
G21
TABU, 25 (continued)
Host
Remarks
Cecidomyia occelaris O.S.
Choristoneura fumiferana clem.
choristoneura rosaceana Harr.
chrysomela mainensis mainensis
Bechne.
Cimbex americana Leach.
Dasyneura balsamicola (Lint.)
Dimorphopterx pinguis (Nort.)
Dioryctria reniculella Grt.
Epinotia corylana McD.
Eupithecia filmata Pears
Feralia jocosa Gn.
Halisidota maculata Harr.
Ips pini Say.
Monochamus scutellatus Say.
Phyllocolpa sp.
Nematus limbatus Cress.
Neodiprion abietis complex
Neodiprion abbotti cress.
Neodiprion nigroscutum Midd.
rM
bS, wS,
bF
wS, Al
Al
bF
wB
bS
Al
wS, bF,
bS
wS, bS,
bF
bPo, tA
jP
tA
bF, bS
jP
jP
Leaf galls noticeable along
Norway Lake road.
Found more frequently than in
past few years.
Found in beating samples.
Leaf skeletonizing very light
Kirkness Lake.
Found in low numbers each year.
Found from June 19 to Sept. 27
throughout the district.
Heaviest in Drayton Twp.
Recurs yearly. The collection
from Kapikik Lake contained
most larvae found.
Individual larva collected.
Wherever found appeared in
moderate numbers.
Quantitative mat samples from
points revealed low numbers
throughout.
Highest number of collections
ever made in district; quantitative
data showed no more than
2 insects per 15 mats.
Two colonies found in northern
part of the district.
Found throughout the district.
Heavy mortality to fringe trees
at two points in the district.
Highest number observed at Moar
Lake.
Three colonies found at Bamaji
Lake.
As previously reported it is
occurring further east. Highest
number found 10 miles east of
Ignace.
Occurred in 1958 at Nungesser
Lake, in 1960 near Ignace and in
1965 near Sioux Lookout, each time
as single colonies.
Most plentiful 21 miles south of
Sioux Lookout, associated with
N. virginianus complex.