Forest Insect and Disease Survey; Ontario, 1965 - NFIS

D 36
Miscellaneous Insects (continued)
Insect Host Remarks
Dichelonyx sp.
Dimorphopteryx pinguis (Nort.)
Epinotia corylana. McD.
Epinotia cruciana Linn.
Epinotia solandriana Linn.
Eriophyes betulae Steb.
Eriophyes populi N.
Eupithecia filmata Pears.
Gracillaria cuculipennella (Hbn.)
Gretchena semialba McD.
Lithocolletis sp.
Mindarus abietinus Koch
Monoctenus fulvus (Nort.)
Nematus limbatus Cress.
Neodiprion abietis complex
Neodiprion swainei Midd.
tA, Al, W, Great numbers of metallic
wB green leaf chafers everywhere
in the district.
wB This sawfly was present in
small numbers wherever the
host occurred.
Al Heavy infestation on alder cones
in Smuts Twp.
W
Heavy infestation in 11C Twp.,
few larvae at Prairie Bee L. in
Cosens Twp.
wB Light infestations were observed
throughout Division 29, few
larvae were collected in
Cochrane Twp. in the, central
part of the district.
tA Light infestation of gall mites
in McPhail Twp.
tA Light infestations of gall
mites in Arbutus, Hoey„ 8E,
and Chewett twps.
wS, bF Frequently found on beating
mats in 12E, 32, and 11B twps.
bAs Heavy infestation of leaf rollers
in Cochrane Twp. along the
Chapleau River.
Al Light infestation in Wakami
Twp., low numbers in 11C, 9C,
and Smuts twps.
bPo, W Light infestation of blotch
miners on willow adjacent to
trembling aspen heavily
infested with Lithocolletis
salicifoliella Chamb.
bF Light balsam twig aphid.
infestations in 12E and
Wangoon twps.
eC Lakeshore cedar infested, by
the cedar sawfly at Biscotasing
W
Lake.
Heavy sawfly infestation in
Joffre Twp.
bF Very low population levels of
the balsam fir sawfly, occasional
larvae found at two locations.
jP Numerous colonies feeding on
exposed jack pine at Biscotasing
Lake in Smuts Twp. (see map).