Forest Insect and Disease Survey; Ontario, 1965 - NFIS

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B 39 STATUS OF INSECTS Fall Cankerworm, Alsophila pometaria Harr. Cankerworm infestations virtually subsided in the district in 1965. Heavy infestations in the Canfield-Canboro area in 1964 declined to very light intensity. All deciduous trees in Lincoln and Welland counties were in better condition this year than for the past several years. Orange-striped Oakworm, Anisota senatoria A. and S. Infestations of this insect increased in intensity at Pinery Provincial Park in Bosanquet Township. Defoliation was heavy on a small red oak at the Park entrance, moderate to heavy on six small trees along a nature trail, and moderate on individual red oak trees along roadsides in the Park. Along Highway 21 in this area occasional red oaks under 12-feet in height were severely defoliated. At several points as many as four trees on one side of one mile of roadside were completely stripped. Moderate defoliation recurred on the lower branches of two mature bur oaks near Glencoe, and on the lower branches of a mature, open-grown white oak near Smithville. Ugly-nest Caterpillar, Archips cerasivoranus Fitch An upward trend in numbers of this pest occurred in the district in 1965. Heavy infestations occurred on choke cherry along a 100-foot section of highway near Port Maitland and at several other points in Haldimand and Welland counties. Moderate numbers of colonies were observed in Point Pelee National Park, Mersea Township and near the John E. Pearce Provincial Park in Dunwich Township. Larch Twig Borer, Argyresthia laricella Kft. Infestations declined in Caradoc Township and subsided in South Walsingham Township in 1965. Parasitism had been light to moderate at both points in 1964 (Table 9). TABLE 9 Summary of Larch Twig Borer Counts in Lake Erie District from 1963 to 1965 Percentage of one-year-old Location shoots1attacked (township) Host 1 6 6 1 6 Caradoc tL 0.6 1.4 0.6 South Walsingham eL 3.6 2.8 nil
B 10 Larch Casebearer, Coleophora laricella (Hbn.) Population levels of this insect increased in Caradoc and North Dorchester townships and the lower crowns of host trees were moderately defoliated at several locations. In Yarmouth Township infestations were heavy on the bottom branches of European larch trees. Numbers were low at other points (Table 10). TABLE 10 Summary of Larch Casebearer Counts in Lake Erie District from 1963 to 1965 Locationv. d.b.h. (township ) Host in inches Av. no. larvae per 1,63 1964 1965 Bosanquet tL 10 26.0 5.0 5.9 Caradoc tL 6 0.9 7.5 Charlotteville eL 7 1.0 1.0 North Dorchester tL 7 4.0 5.5 8.2 South Walsingham eL 6 0.5 0.4 0.2 Yarmouth eL 9 3.0 0.7 1.5 Walnut Caterpillar, Datana integerrima & R. Light to severe defoliation, occurred on solitary and mall groups of trees at numerous points in the district. Walnut was the favourite host, although shagbark hickory was also attacked. Heavy infestations that occurred in Essex Count y in 1964 declined generally to medium intensity in 1965. However, defoliation was very high at one sample point in this county (Table 11). High populations recurred in Kent County and in the Aylmer area eastward to the district boundary at Tillsonburg. A marked decline occurred in Point Pelee National Park where only a few small trees were moderately defoliated. Defoliation was light to moderate on eight 50-year-old walnut trees near Merlin in Romney Township. The trees, 15- to 20-feet in height, have been stunted by repeated walnut caterpillar defoliation and branch mortality was high at this location as well as in Adelaide and Dunwich townships. Walnut caterpillars feed in dense colonies and moult at the base of limbs or on the bole of host trees. Normally large masses of cast skins and webs adhere to the tree for a year or more. Unusual masses of moulting larvae were observed at Nanticoke and Pelham Centre in 1965. These masses of larvae, about three inches in diameter and four inches in length, were suspended from branches on silken webs.
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ANNUAL DISTRICT REPORTS FOREST INSE
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FOREST DISTRICTS 1 Kemptville 2 Twe
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SOUTHEASTERN FOREST REGION 1965 INT
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A 1 Forest Tent Caterpillar, Malaco
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SOUTHEASTERN FOREST REGION DISTRICT
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A 4 STATUS OF TREE DISEASES Armilla
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A6 Observations made in 1965 reveal
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A8 TABLE 6 Summary of the Occurrenc
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Organism A 10 TABLE 7 (continued) H
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A 11 Cedar Leaf Miners, Argyresthia
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A 13 Introduced Pine Sawfly, Diprio
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A 15 TABLE 14 Summary of Eastern Te
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LINDSAY DISTRICT MILES 10 0 40 20 1
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A 18 Heavy mortality of late instar
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A 19 TABLE 17 (continued) Insect Ho
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A 22 Cherry Ugly-nest Caterpillar,
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A 24 European Spruce Sawfly, Diprio
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A 26 Eastern Tent Caterpillar, Mala
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TWEED DISTRICT EASTERN TENT CATERPI
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TWEED DISTRICT GRIIASTIWPC X IA/NU-
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A 29 Frontenac County. This vector
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Page 47 and 48:
STATUS OF INSECTS IN KEMPTVILLE DIS
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A 34 Pitted Ambrosia Beetle, Corthy
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A 36 TABLE 12 Summary of Fall Webwo
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TABLE 14 Summary of Cedar Sawfly La
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A 39 TABLE 17 Summary of Damage by
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STATUS OF INSECTS IN ThE PEMBROKE D
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A42 This insect is of European orig
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A 44 Alice in Alice Township where
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A46 Severe defoliation of red pine
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A 48 Larch Sawfly, Pristiphora eric
Page 67 and 68: A 49 Miscellaneous Insects (continu
Page 69 and 70: SOUTHWESTERN FOREST REGION 1965 INT
Page 71 and 72: B 1 STATUS OF INSECTS European Pine
Page 73 and 74: SOUTHWESTERN REGION DISTRICTS 1 LAK
Page 75 and 76: B4 TABLE 3 Summary of European Pine
Page 77 and 78: B6 White-pine Shoot Borer, Eucosma
Page 79 and 80: B TABLE 5 Summary of Shoot Damage b
Page 81 and 82: B9 TABLE 6 (continued) Condition No
Page 83 and 84: B 11 trees. Fruiting bodies were co
Page 85 and 86: B 13 TABLE 8 (continued) Or an]. sm
Page 87 and 88: B 15 TABLE 8 (continued) Organism S
Page 89 and 90: B 16 Cedar Leaf Miners, Argyresthia
Page 91 and 92: B 18 Since 1963 the incidence of at
Page 93 and 94: B 20 TABLE 14 Summary of Introduced
Page 95 and 96: LAKE SIMCOE DISTRICT MILES 20 10 0
Page 97 and 98: sM tA B22 Forest Tent Caterpillar,
Page 99 and 100: LAKE SIMCOE DISTRICT MILES 20 40 SP
Page 101 and 102: B 25 A. Poplar Leaf Roller, Pseudex
Page 103 and 104: Insect B 27 TABLE 20, (continued) H
Page 105 and 106: STATUS OF INSECTS IN THE LAKE HURON
Page 107 and 108: B 30 TABLE 9 Summary of Larch Caseb
Page 109 and 110: B 31 Walnut Caterpillar, Datana int
Page 111 and 112: B 33 Pine Bud Moth, Exoteleia dodec
Page 113 and 114: 13 35 TABLE. 17 Summary of Infestat
Page 115 and 116: Insect B 37 TABLE 20 (continued) Ho
Page 117: STATUS OF INSECTS IN THE LAKE ERIE
Page 121 and 122: B 42 so severely damaged over a per
Page 123 and 124: B 44 This insect causes spiny galls
Page 125 and 126: B 46 TABLE 17 (continued) Insect Ho
Page 127 and 128: sP.) B48 TABLE 16 (continued) r=loa
Page 129 and 130: SOUTH—CENTRAL FOREST REGION 1965
Page 131 and 132: C1 STATUS OF TREE DISEASES Dutch El
Page 133 and 134: C3 TABLE 3 (continued) Organism Hos
Page 135 and 136: STATUS OF INSECTS IN THE NORTH BAY
Page 137 and 138: township 9 1 c6 increase in populat
Page 139 and 140: Black-headed Jack-pine Sawfly, Neod
Page 141 and 142: C9 townships Haddo, Caldwell, Crera
Page 143 and 144: NORTH BAY DISTRICT Eri=11=1;kile*aY
Page 145 and 146: Insect Archips cerasivoranus Fitch
Page 147 and 148: STATUS OF INSECTS IN THE PARRY SOUN
Page 149 and 150: C 15 TABLE 5 Summary of European Sp
Page 151 and 152: Clg TABLE 8 Summary of Dissections
Page 153 and 154: C 18 TABLE 10 Summary of Malacosoma
Page 155 and 156: PARRY SOUND DISTRICT RED—HEADED P
Page 157 and 158: TABLE 16 Summary of Damage by the W
Page 159 and 160: C 23 TABLE 18 (continued) Insect Ho
Page 161 and 162: CENTRAL FOREST REGION 1965 STATUS O
Page 163 and 164: TABLE 1 D White Pine Weevil, Pissod
Page 165 and 166: D3 • The greatest expansion occur
Page 167 and 168: CENTRAL FOREST REGION 1 WHITE RIVER
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D 5 STATUS OF TREE DISEASES Central
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D 7 In the remainder of the region
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D 9 Noteworthy Diseases, (continued
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Diseases and Organisms of Forest Fl
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STATUS OF INSECTS IN THE SAULT STE.
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D TABLE 5 Summary of Larval Counts
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D 16 Western Tent Caterpillar, Mala
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D 18 TABLE 12 Summary of Miscellane
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STATUS OF INSECTS IN THE SUDBURY DI
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D 21 White Pine Shoot Borer, Eucosm
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D TABU. 9 Summary of Red-headed Pin
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SUDBURY DISTRICT MULL mar°. ®, &M
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TABLE 11 Summary of Balsam-fir Shoo
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D 27 TABLE 12 (continued) Insect Ho
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STATUS OF INSECTS IN THE CHAPLEAU D
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D 30 reproduction in the district s
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D 32 Black-headed Jack-pine Sawfly,
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A Leaf Folding Sawfly, Phyllocolpa
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D 35' attacked and a large area of
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D37 Insect Miscellaneous Insects (c
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D 38 Ugly-nest Caterpillar, Archips
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D39 An Aphid on Jack-pine, Cinara c
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GOGAMA DISTRICT C .._ 4111111111111
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D 42 Aspen Blotch Miner, Lithocolle
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D 43 Summary of Larval Mortality an
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D 45 Red-headed Jack-pine Sawfly, N
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D47 TABLE 20 Summary of Damage Caus
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Insect D 49 TABLE 22 (continued) Ho
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D 50 STATUS OF INSECTS Black-headed
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D 52 Western Tent Caterpillar, Mala
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D 54 Spruce Bud Gall Midge, Rhabdop
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D 56 Miscellaneous Insects (continu
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INTRODUCTION Northern Forest Region
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E2 Leaf Blight, Linospora tetraspor
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e ample s in E 3 A Leaf and Twig Bl
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Hypoxylon pruinatum Lachnella agass
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E 7 TABLE 4 (continued) Puccinia ma
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E 8 STATUS OF INSECTS Gall Aphids o
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E 10 European Spruce Sawfly, Diprio
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E 12 Egg bands of the forest tent c
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E14 TABLE. 14 (continued) Location
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Larch Sawfly, Pristiphora erichsoni
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COCHRANE DISTRICT di rm" 42EVA •
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S E. 19 TABLE 20 (continued) Galeru
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E 20 Black-headed Budworm, Acleris
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E 22 A Root Weevil, Hylobius warren
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KAPUSKASING DISTRICT DT ...141114..
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E 25 TABLE 11 Summary of Damage by
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E27 The examination of 71 leaf fold
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E 29 Larch Sawfly, Pristiphora eric
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E31 TABLE 21 Summary of Miscellaneo
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KAPUSKASING DISTRICT CLAY, DOWNER I
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E32 Ugly-nest Caterpillar, Archips
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SWASTIKA DISTRICT L___, 461:4:;:aws
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E 35 TABLE 10 Summary of Forest Ten
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White-pine Weevil, Pissodes Peck. E
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E 39 A Poplar Leaf Roller Pseudexen
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E Insect Host(s) Remarks Lithocolle
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MIDWESTERN FOREST REGION 1965 STATU
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F 1 STATUS OF INSEcTS Larch Sawfly,
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MIDWESTERN FOREST REGION DISTRICTS
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F4 TABLE 4 Severity of Pollaccia ra
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F 6 TABLE 6 (continued) Organism Ho
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STATUS OF INSECTS IN THE ,PORT ARTH
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4. " F 9 A Bark Beetle of the Gener
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11 Western Tent Caterpillar, Malaco
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12 TABLE 12 Summary of Per cent of
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F 14 TABLE 15 (cont'd.) Summary of
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F 16 TABLE 17 Summary of Damage by
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F18. TABLE 19, Port Arthur District
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F 19 STATUS OF INSECTS Birch Skelet
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F 2:L TABLE 10 Summary of Western T
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1' 23 TABLE 14 Summary of Damage by
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tA Insect F 25 TABLE 16 (continued)
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V 27 TABLE 16 (continued) Insect Ho
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INTRODUcTION Western Forest Region
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G2 TABLE 1 (continued) Per cent egg
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4 196 G 3 TABLE 2 (continued) Locat
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G 5 TABU 4 (continued) Av. no. egg
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G 7 Summary of New Infection of Hyp
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G 9 Incidence of Infected Shoots at
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G 11 TABLE 11 (continued) Organism
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STATUS OF INSECTS IN THE SIOUX LOOK
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G 14 TABLE 12 Summary of Damage cau
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G 16 Western Tent Caterpillar, Mala
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G 18 Small numbers of Neodiprion ni
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G 20 Larch Sawfly, Pristiphora eric
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G 22 TABLE 25 (continued) Nepytia c
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G 23 Black-headed Budworm, Acleris
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DISTRICT OF KENORA JAcK PINE BUDWOR
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G 26 Balsam-fir Sawfly, Neodiprion
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G 28 TABLE 18 Summary of Leader Dam
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G 30 TABLE 20 (continued) Insect Ho
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Tetralopha aplastella Clem. Tetralo
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G 33 Spruce Budworm, choristoneura
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G 35 where varying degrees of infes
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G 37 TABLE 18 Summary of Red-headed
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G 39 Pine Tortoise Scale, Toumeyell
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WHITE GRUBS, Phyllophaga spp. Sever
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GREEN-STRIPED MAPLEWORM, Anisota ru
Page 369 and 370:
FOREST TENT CATERPILLAR, Malacosoma
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JACK-PINE SAWFLY, Neodiprion pratti
Page 373 and 374:
EASTERN TENT CATERPILLAR, Malacosom
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LARCH SAWFLY, Pristiphora erichsoni
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PINE TORTOISE SCALE, Toumeyella num
Page 379 and 380:
JACK-PINE BUDWORM, Choristoneura pi
Page 381 and 382:
A PINE TIP MOTH s Rhyacionia adana
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PINE ROOT COLLAR WEEVIL, Hylobius r
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Deterioration of roadside sugar map
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FOMES ROOT ROT, Fomes annosus (Fr.)
Page 389:
Frost damage Wind damage in hardwoo
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Forest Insect and Disease Survey; Ontario, 1965 - NFIS

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