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 4 691 905 e 6 735 141 e 326 477 186 434 e 242 877 e 3 753 201 e 15 936 035 e
Newfoundland and Labrador - 36 352 - - 46 839 2 730 85 921
Prince Edward Island -- -- ... .. 50 e 25 e 75 e
Nova Scotia .. .. ... ... 533 e .. 533 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 904 126 e - - - - 5 704 e 909 830 e
Saskatchewan 427 750 - - - - 1 205 428 955
Alberta 1 961 484 451 750 -- 97 945 1 405 2 049 849 4 562 433
British Columbia 609 999 9 134 326 477 - 194 050 9 939 225 11 078 885
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