Forest Insect and Disease Survey; Ontario, 1965 - NFIS

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E 38 Larch Sawfly, Pristiphora erichsonii (Htg.) Populations of this sawfly have been declining since 1961. The only exception to this trend in 1965 was in a mature tamarack stand in Milner Township where sequential sampling revealed that 16.6 per cent of the current years shoots were curled. Although small numbers of colonies were observed in most tamarack stands, appreciable defoliation was confined largely to individual trees. Mountain-ash Sawfly, Pristiphora geniculata (Htg.) High population levels of this insect persisted in the district. A heavy infestation recurred at Four Acre Point on Kenogami Lake in Eby Township for the fourth consecutive year. Heavy infestations also occurred in Dufferin, Melba, and Nicol townships. Medium infestations were noted along the Raven Lake Road in McGarry Township, along the Labyrinth Lake Road in McGarry and Ossian townships, and in the Englehart Management Unit in Gross Township. An infestation near Boston Creek in Boston Township declined from heavy intensity in 1964 to medium intensity in 1965. Amber-marked Birch Leaf Miner, Profenusa thomsoni (Konow) Substantially reduced numbers of miners prevailed on white birch foliage for the second consecutive year (Table 16). One pocket of heavy infestation occurred near Davis Lake in Tolstoi Township and three small infestations were observed in Arnold, Thackery, and Morrisette townships. TABLE 16 Summary of Damage Caused by the Amber-marked Birch Leaf Miner in the Swastika District from 1963 to 1965 Note Counts were based on examination of 100 leaves from three white birch trees at each location. Location (township) No, of leaves infested 1963 1964 1965 Total no. of mines in 1965 Av, no. of mines per infested leaf in 1965 1.2 1.2 1.5 Playf air 40 31 27 35 James 60 53 22 30 1 Stock 43 30 16 21 Arnold 75 70 40 51 Van Hise 28 35 15 18 Clifford 53 58 18 25 1.3 Otto 56 30 47
E 39 A Poplar Leaf Roller Pseudexentera oregonana Wlshm Heavy infestations of this leaf roller persisted for the fourth consecutive year in Armstrong, Harley, and Dymond townships and in - the western part of Hilliard Township. In casey and Harris townships infestation declined to light intensity and damage to the foliage of aspen stands was much lighter than in 1964. A small pocket of light infestation occurred in Hudson Township. Small numbers of this insect were observed at many other locations in the district. Spruce Bud Gall Midge, Rhabdophaga swainei Felt. Population of this insect remained at a low level in the district as shown in Table 17. TABLE 17 Summary of Damage caused by the Spruce Bud Gall Midge in the Swastika District from 1963 to 1965 Location (township) Tree Species No. of shoots Infested in 1965 Percent of shoots infested 1963 1964 1965 Garrison wS 0 0.0 5.5 0.0 Lebel wS 9 1.7 2.9 4.4 Dymond wS 0 6.0 0.9 0.0 Otto wS 1 2.4 1.6 0.9 Eby bS 5 494 3.5 2.6 Eby wS 8 9.3 3.1 Bark Beetles In 1964 and 1965 intensive surveys were carried out to determine the distribution of bark beetles in the district. The results of these surveys are summarized in Table 18 TABLE 18 Summary of Bark Beetle Collections Made in the Swastika District in 1964 and 1965 Insect conophthorus coniperda Sw.. Dendroctonus simplex Lec. Dryocetes affaber Mann. Hylurgopinus rufipes Eich. Ips borealis Sw. s chagnoni Sw. Ips perturbatus Eich. Ips pin! Say. Orthotomicus caelatus Eich. Phloesinus canadensis Sw. Pityogenes hopkinsi Sw. Pityogenes plagiatus (Lec.) Pityokteines sparsus Lec. Polygraphus rufipennis Kby. Host(s) wP tL wS wE wS jP wS jP, wS wP, bS jP ec wP bS bF wS Locations (townships) Dufferin Eby, Took Skead Kearns, Casey, Dymond, Harley Skead Bernhardt Corkill, Skead, Eby, Rattray Bernhardt, Melba, Grenfell, McEvoy, charters, Lawson, Corkin, Arnold, Holloway Melba Hinks Tyrrell Black Gross Rattray, Grenfell
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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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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
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A 49 Miscellaneous Insects (continu
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SOUTHWESTERN FOREST REGION 1965 INT
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B 1 STATUS OF INSECTS European Pine
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SOUTHWESTERN REGION DISTRICTS 1 LAK
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B4 TABLE 3 Summary of European Pine
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B6 White-pine Shoot Borer, Eucosma
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B TABLE 5 Summary of Shoot Damage b
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B9 TABLE 6 (continued) Condition No
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B 11 trees. Fruiting bodies were co
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B 13 TABLE 8 (continued) Or an]. sm
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B 15 TABLE 8 (continued) Organism S
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B 16 Cedar Leaf Miners, Argyresthia
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B 18 Since 1963 the incidence of at
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B 20 TABLE 14 Summary of Introduced
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LAKE SIMCOE DISTRICT MILES 20 10 0
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sM tA B22 Forest Tent Caterpillar,
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LAKE SIMCOE DISTRICT MILES 20 40 SP
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B 25 A. Poplar Leaf Roller, Pseudex
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Insect B 27 TABLE 20, (continued) H
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STATUS OF INSECTS IN THE LAKE HURON
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B 30 TABLE 9 Summary of Larch Caseb
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B 31 Walnut Caterpillar, Datana int
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B 33 Pine Bud Moth, Exoteleia dodec
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13 35 TABLE. 17 Summary of Infestat
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Insect B 37 TABLE 20 (continued) Ho
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STATUS OF INSECTS IN THE LAKE ERIE
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B 10 Larch Casebearer, Coleophora l
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B 42 so severely damaged over a per
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B 44 This insect causes spiny galls
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B 46 TABLE 17 (continued) Insect Ho
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sP.) B48 TABLE 16 (continued) r=loa
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SOUTH—CENTRAL FOREST REGION 1965
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C1 STATUS OF TREE DISEASES Dutch El
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C3 TABLE 3 (continued) Organism Hos
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STATUS OF INSECTS IN THE NORTH BAY
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township 9 1 c6 increase in populat
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Black-headed Jack-pine Sawfly, Neod
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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
Page 229 and 230: D 54 Spruce Bud Gall Midge, Rhabdop
Page 231 and 232: D 56 Miscellaneous Insects (continu
Page 233 and 234: INTRODUCTION Northern Forest Region
Page 235 and 236: E2 Leaf Blight, Linospora tetraspor
Page 237 and 238: e ample s in E 3 A Leaf and Twig Bl
Page 239 and 240: Hypoxylon pruinatum Lachnella agass
Page 241 and 242: E 7 TABLE 4 (continued) Puccinia ma
Page 243 and 244: E 8 STATUS OF INSECTS Gall Aphids o
Page 245 and 246: E 10 European Spruce Sawfly, Diprio
Page 247 and 248: E 12 Egg bands of the forest tent c
Page 249 and 250: E14 TABLE. 14 (continued) Location
Page 251 and 252: Larch Sawfly, Pristiphora erichsoni
Page 253 and 254: COCHRANE DISTRICT di rm" 42EVA •
Page 255 and 256: S E. 19 TABLE 20 (continued) Galeru
Page 257 and 258: E 20 Black-headed Budworm, Acleris
Page 259 and 260: E 22 A Root Weevil, Hylobius warren
Page 261 and 262: KAPUSKASING DISTRICT DT ...141114..
Page 263 and 264: E 25 TABLE 11 Summary of Damage by
Page 265 and 266: E27 The examination of 71 leaf fold
Page 267 and 268: E 29 Larch Sawfly, Pristiphora eric
Page 269 and 270: E31 TABLE 21 Summary of Miscellaneo
Page 271 and 272: KAPUSKASING DISTRICT CLAY, DOWNER I
Page 273 and 274: E32 Ugly-nest Caterpillar, Archips
Page 275 and 276: SWASTIKA DISTRICT L___, 461:4:;:aws
Page 277 and 278: E 35 TABLE 10 Summary of Forest Ten
Page 279: White-pine Weevil, Pissodes Peck. E
Page 283 and 284: E Insect Host(s) Remarks Lithocolle
Page 285 and 286: MIDWESTERN FOREST REGION 1965 STATU
Page 287 and 288: F 1 STATUS OF INSEcTS Larch Sawfly,
Page 289 and 290: MIDWESTERN FOREST REGION DISTRICTS
Page 291 and 292: F4 TABLE 4 Severity of Pollaccia ra
Page 293 and 294: F 6 TABLE 6 (continued) Organism Ho
Page 295 and 296: STATUS OF INSECTS IN THE ,PORT ARTH
Page 297 and 298: 4. " F 9 A Bark Beetle of the Gener
Page 299 and 300: 11 Western Tent Caterpillar, Malaco
Page 301 and 302: 12 TABLE 12 Summary of Per cent of
Page 303 and 304: F 14 TABLE 15 (cont'd.) Summary of
Page 305 and 306: F 16 TABLE 17 Summary of Damage by
Page 307 and 308: F18. TABLE 19, Port Arthur District
Page 309 and 310: F 19 STATUS OF INSECTS Birch Skelet
Page 311 and 312: F 2:L TABLE 10 Summary of Western T
Page 313 and 314: 1' 23 TABLE 14 Summary of Damage by
Page 315 and 316: tA Insect F 25 TABLE 16 (continued)
Page 317 and 318: V 27 TABLE 16 (continued) Insect Ho
Page 319 and 320: INTRODUcTION Western Forest Region
Page 321 and 322: G2 TABLE 1 (continued) Per cent egg
Page 323 and 324: 4 196 G 3 TABLE 2 (continued) Locat
Page 325 and 326: G 5 TABU 4 (continued) Av. no. egg
Page 327 and 328: G 7 Summary of New Infection of Hyp
Page 329 and 330: 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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