Forest Insect and Disease Survey; Ontario, 1965 - NFIS

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1964 G 25 compared with 139 colonies in 1964 (Table 14). Counts were negative at four of the eight sample stations in 1965. TABLE 14 Summary of Fall Webworm Colony Counts in the Kenora District from 1962 to 1965 No. of colonies er mile of roadside Location 1962 1963 1965 MacNicol Twp. 4 14 3 1 Colenso Twp. 2 6 1 0 Langton Twp. 1 8 2 0 Tweedsmuir Twp. 5 32 7 3 Mutrie Twp. 1 5 1 0 Canyon Lake 3 7 2 0 Zizania Lake 2 1 Bay Island (Sq. chain Plot) 139 3 Aspen Blotch Miner, Lithocolletis salicifoliella Chamb. Population levels of this leaf miner were relatively low for the second consecutive year. Light infestations occurred on trembling aspen and large-toothed aspen regeneration in Desmond, Willingdon, Langton, and Bridges townships. Competition resulting from heavy defoliation by the forest tent caterpillar throughout the greater part of the district was probably responsible for the low numbers of this leaf miner. Western Tent caterpillar, Malacosoma pluviale Dyar. Population levels of this insect were comparable to 1964, except in one sample point in Mutrie Township where a three-fold increase in the number of colonies occurred (Table 15). Field observations indicated that larval parasitism occurred frequently and a polyhedral virus disease was extremely noticeable near Camp Robinson in Division 18 and at mileage 39 on the Jones Road in Division 20. TABLE 15 Summary of Western Tent caterpillar colony Counts at Thirteen Locations in the Kenora District from 1963 to 1965 Location Camp Robinson Road MacNicol Twp. Ewart Twp. Mutrie Twp. Docker Twp. Desmond Twp. Work Twp. Willingdon Twp. Lemay Twp. McMeeken Twp. Jaffray Twp. (Jones Rd.) Forgie Twp. Melick Twp. Host s pch pCh pCh pch, wB pCh, W pch, W pCh, W pch, W pch W, pCh W, wB W, pCh No. of colonies per mile of roadside 1963. 1964 1965 34 63 61 43 44 47 19 27 29 14 29 87 9 16 14 11 19 32 13 18 18 2 20 22 16 23 19 18 17 15 17 22 19 21 22 25 10 32 37
G 26 Balsam-fir Sawfly, Neodiprion abietis complex A decline in population levels occurred for the second consecutive year. The heavy infestation recorded at Shoal Lake from 1961 to 1963 has completely disappeared. Single colonies were observed at two widely-separated points in the district and small numbers of larvae were found in beating mat samples. Red Pine Sawfly, Neodiprion nanulus nanulus Schedl. A slight increase in the numbers of colonies of this insect occurred at permanent sample stations compared with 1964 (Table 16). The insect was observed most commonly in the southwestern and central parts of the district. TABLE 16 Summary of Red Pine Sawfly Larval colony Counts on Ten Trees at Five Locations in the Kenora District in 1964 and 1965 Location Av, d.b.h. in inches Av. no. of colonies er tree 1'6 16 Upper Lawrence Lake 3 0.6 1.8 Nestor Falls 4 1.1 2.7 colenso Twp. 2 0.1 1.1 Docker Twp. 3 1.2 1.4 Tustin Twp. 3 0.8 1.2 Swaine's Jack-pine Sawfly, Neodiprion swainei (Midd.) No significant change in the status of this jack-pine sawfly occurred in 1965. Light infestations have persisted at Sabaskong Bay and Rabbit Point in Lake of the Woods since 1961. In the same general area scattered colonies were observed on the Aulneau Peninsula and north of Nestor Falls on Highway 72. Survey records reveal that the distribution of this insect in the Kenora District is restricted to the Lake of the Woods area. Red-headed Jack-pine Sawfly, Neodiprion virginianus complex No appreciable change in the status of this insect occurred in the district in 1965 (Table 17). Colonies were observed most commonly in the central parts of the district but were rarely found in the northern portion. Small groups of open-grown jack pine regeneration were moderately defoliated in MacNicol, Work, and Desmond townships and on shoreline trees at Ord Lake. Several hundred cocoons were exposed at three widely-separated points in the district to determine the distribution of the parasite, Pleolophus basizonus (Gram.) which was released at Hawk Lake in 1940.
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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
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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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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
Page 331 and 332: G 11 TABLE 11 (continued) Organism
Page 333 and 334: STATUS OF INSECTS IN THE SIOUX LOOK
Page 335 and 336: G 14 TABLE 12 Summary of Damage cau
Page 337 and 338: G 16 Western Tent Caterpillar, Mala
Page 339 and 340: G 18 Small numbers of Neodiprion ni
Page 341 and 342: G 20 Larch Sawfly, Pristiphora eric
Page 343 and 344: G 22 TABLE 25 (continued) Nepytia c
Page 345 and 346: G 23 Black-headed Budworm, Acleris
Page 347: DISTRICT OF KENORA JAcK PINE BUDWOR
Page 351 and 352: G 28 TABLE 18 Summary of Leader Dam
Page 353 and 354: G 30 TABLE 20 (continued) Insect Ho
Page 355 and 356: Tetralopha aplastella Clem. Tetralo
Page 357 and 358: G 33 Spruce Budworm, choristoneura
Page 359 and 360: G 35 where varying degrees of infes
Page 361 and 362: G 37 TABLE 18 Summary of Red-headed
Page 363 and 364: G 39 Pine Tortoise Scale, Toumeyell
Page 365 and 366: WHITE GRUBS, Phyllophaga spp. Sever
Page 367 and 368: GREEN-STRIPED MAPLEWORM, Anisota ru
Page 369 and 370: FOREST TENT CATERPILLAR, Malacosoma
Page 371 and 372: JACK-PINE SAWFLY, Neodiprion pratti
Page 373 and 374: EASTERN TENT CATERPILLAR, Malacosom
Page 375 and 376: LARCH SAWFLY, Pristiphora erichsoni
Page 377 and 378: 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
Page 383 and 384: PINE ROOT COLLAR WEEVIL, Hylobius r
Page 385 and 386: Deterioration of roadside sugar map
Page 387 and 388: 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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