Forest Insect and Disease Survey; Ontario, 1965 - NFIS

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Location Tree Ilcrmapj____sPec j,es , B 19 TABLE 12 Summary of Introduced Pine Sawfly Larval Counts in Lake Simcoe District in 1964 and 1965 Av. d.b.h. in inches Total, number of larvae p er 15-tray sample 1964 190 Pickering scP 6 29 3 Reach scP 6 34 27 Melancthon scP 4 4 0 Mono scP 7 6 3 Vespra scP 5 7 14 Orillia scP 4 16 11 Oro wP 4 5 2 Caledon scP 4 2 111110 Markham scP 4 5 European Spruce Sawfly, Diprion hercyniae (Htg.) Population levels of this sawfly fluctuated considerably in 1965 compared with 1964. Quantitative samples from spruce trees at seven widely-separated points showed that the highest population in the second generation occurred in Uxbridge Township where 21 larvae were counted in a 15 tray sample (Table 13). TABLE 13 Summary of European Spruce Sawfly Larval Counts in Lake Simcoe District in 1964 and 1965 Location township• Total no. of larvae pe 1 r sample 1 1• Medonte 25 18 Mara 5 6 Whit church 1 0 Vespra wS 3 16 Nottawasaga wS 0 Oro wS 1 5 Uxbridge wS O 21 Introduced Pine Sawfly, Diprion sis (Htg.) A decline in population levels occurred for the second year at all sample points but one, located in Pickering Township. The most noteworthy decline occurred in a Scots pine shelterbelt at a point in Mono Township where three larvae were counted on a 15-tray sample in 1965, compared with 199 larvae in 1964 (Table 14)., The eastern boundary of known distribution on the west side of Lake Simcoe was unchanged in 1965.
B 20 TABLE 14 Summary of Introduced Pine Sawfly larval Counts in Lake Simcoe District in 1964 and 1965 township Location Tree species Av. d.b.h. in inche Total number of larvae er 15-tray sample 1965 1 Pickering scP 6 13 67 Reach scP 6 111 41 Melancthon scP 4 6 0 Mono scP 7 199 3 Vespra scP 5 0 2 Oro wP 4 17 8 Jack-pine Needle Miner, Exoteleia pinifoliella (Cham.) Heavy infestations of this needle miner have persisted for several years in jack pine plantations in Flos, Vespra, Whitchurch, Uxbridge, and Albion townships. In Albion Township surveys showed 45.6 per cent of the current year's needles were killed by primary mining of the insect and most of the old foliage was mined. Light infestations were common elsewhere in the district. Sugar-maple Borer, Glycobius speciosus (Say) Recurrent attack by this large beetle in recent years caused severe damage to mature sugar maple trees in a 5-acre stand near Newmarket in East Gwillimbury Township (see photographs). The eggs are laid under bark scales or in crevices pf the bark from which the larvae mine directly between the bark and wood s usually across the grain of the wood. Larval mines causing large open wounds girdled and killed some trees, other mines healed but were easily detected by ridges and gall-like swellings in the bark. high proportion of branches were girdled and killed. In addition, the value of the trees was greatly reduced by the damage and, the accompanying wood stains. Birch Leaf Miner, Fenusa pusilla (Lep.) Marked increases in the extent and intensity of infestations of this sawfly occurred in 1965 (see map). Heavy infestations were observed commonly on weeping birch ornamentals in the district. At many locations 90 per cent of the leaves were mined and 75 per cent of the leaf surface damaged. Infestations were generally light in white birch stands. Pales Weevil, Hylobius pales (Hbst.) and the Northern Pine Weevil, Pissodes approximatus Hopk. These weevils continued to be major pests in Scots pine plantations where Christmas trees were harvested three or more consecutive years and in plantations where considerable tree mortality resulted from heavy infestations of the root collar weevil, Hylobius radicis Buch. The extent of dame to the branches of living trees by adult weevil feeding was proportionate to the numbers of stumps
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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 21 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
Page 41 and 42: TWEED DISTRICT GRIIASTIWPC X IA/NU-
Page 43 and 44: A 29 Frontenac County. This vector
Page 45 and 46: A 31 TABLE 18 (continued) Insect Ho
Page 47 and 48: STATUS OF INSECTS IN KEMPTVILLE DIS
Page 49 and 50: A 34 Pitted Ambrosia Beetle, Corthy
Page 51 and 52: A 36 TABLE 12 Summary of Fall Webwo
Page 53 and 54: TABLE 14 Summary of Cedar Sawfly La
Page 55 and 56: A 39 TABLE 17 Summary of Damage by
Page 57 and 58: STATUS OF INSECTS IN ThE PEMBROKE D
Page 59 and 60: A42 This insect is of European orig
Page 61 and 62: A 44 Alice in Alice Township where
Page 63 and 64: A46 Severe defoliation of red pine
Page 65 and 66: 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: B 18 Since 1963 the incidence of at
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 and 118: STATUS OF INSECTS IN THE LAKE ERIE
Page 119 and 120: B 10 Larch Casebearer, Coleophora l
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
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NORTH BAY DISTRICT Eri=11=1;kile*aY
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Insect Archips cerasivoranus Fitch
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STATUS OF INSECTS IN THE PARRY SOUN
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C 15 TABLE 5 Summary of European Sp
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Clg TABLE 8 Summary of Dissections
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C 18 TABLE 10 Summary of Malacosoma
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PARRY SOUND DISTRICT RED—HEADED P
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TABLE 16 Summary of Damage by the W
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C 23 TABLE 18 (continued) Insect Ho
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CENTRAL FOREST REGION 1965 STATUS O
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TABLE 1 D White Pine Weevil, Pissod
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D3 • The greatest expansion occur
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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
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FOREST TENT CATERPILLAR, Malacosoma
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JACK-PINE SAWFLY, Neodiprion pratti
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EASTERN TENT CATERPILLAR, Malacosom
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LARCH SAWFLY, Pristiphora erichsoni
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PINE TORTOISE SCALE, Toumeyella num
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JACK-PINE BUDWORM, Choristoneura pi
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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.)
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Frost damage Wind damage in hardwoo
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Forest Insect and Disease Survey; Ontario, 1965 - NFIS

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