Forest Insects, 2015
Areaa of Moderate to Severe Defoliation and Beetle-Killed Trees by Major Insects (hectare)
Forest Tent Caterpillar Spruce Budworm Mountain Pine Beetle Large Aspen Tortrix Spruce Beetle Other Insects Total
a Any forested area may be defoliated by more than one insect. Therefore, there can be considerable overlap in the reported figures. The area within which there is moderate to severe defoliation can also include roads, cultivated areas, small lakes or burned areas.
Canada 5 199 101 e 6 726 007 e 1 447 654 r 186 434 e 242 877 e 3 829 985 e 17 631 825 e
Newfoundland and Labrador - 36 352 - - 46 839 2 730 85 921
Prince Edward Island -- -- ... .. 50 e 25 e 75 e
Nova Scotia .. .. ... ... .. 458 e 458 e
New Brunswick 4 000 e - - - - 700 e 4 700 e
Quebec - 6 315 100 ... - .. 6 320 6 321 420
Ontario 681 645 148 542 - - - 66 748 896 935
Manitoba 1 411 322 e - - - - 72 896 e 1 484 218 e
Saskatchewan 427 750 - - - - 1 205 428 955
Alberta 1 961 484 51 750 1 121 477 r 97 945 1 405 3 564 3 237 625 r
British Columbia 609 999 .. 326 477 - 194 050 3 431 907 4 562 433
Yukon .. .. .. 88 489 e .. 6 759 e 95 248 e
Northwest Territories 102 901 e 174 263 e .. .. .. 236673 e 513 837 e
Nunavut .. .. .. .. .. .. ..
Symbols Used
...
Figures not appropriate or not applicable
..
Figures not available
--
Amount too small to be expressed
-
Nil or zero
p
Preliminary figures
r
Revised figures
e
Estimated by provincial or territorial forestry agency
E
Estimated by the Canadian Forest Service or by Statistics Canada

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Related links

Forests in Canada
Forest Invasive Alien Species – Established Species