here. - Ministry of Forests, Lands and Natural Resource Operations

Table 15. Average number of moths per six- trap cluster at 27 western hemlock looper monitoring sites in the
Thompson Okanagan and Kootenay Boundary Regions from 2006-2012.
Site Location 2006 2007 2008 2009 2010 2011 2012
Thompson Okanagan Region
1 Serpentine Creek 2 14 232 898 325 412 26
2 Thunder River 3 44 864 729 575 645 79
3 Mud Lake 4 14 310 1,070 574 876 52
4 Murtle Lake 12 21 576 1,218 968 1,376 88
5 Finn Creek 4 6 781 450 312 613 35
7 Scotch Creek 2.8 6 107 621 610 582 705
8 Yard Creek 11 4 66 805 417 508 no traps
9 Crazy Creek 1 7 154 logged 438 256 410
10 Perry River N 6 18 206 714 510 323 197
11 Three Valley Gap 5 9 169 85 849 319 240
12 Perry River S 4 9 82 623 801 314 410
13 Kingfisher Creek 3 5.3 227 535 316 1,608 732
14 Noisy Creek 1 10 606 698 525 1,091 450
15 Shuswap River 2 2.8 72 341 416 842 411
16 Greenbush Lake 2 logged 29 450 533 2,682 1,530
17 TumTum Lake 3 13 512 613 534 264 501
Region Average 4 12 312 657 544 794 391
Kootenay Boundary Region
66 Sutherland Falls 1 1 29 30 221 328 222
72 Tangier FSR 2 1 22 75 384 284 390
73 Martha Creek 2 1 8 6 259 228 281
74 Goldstream River 4 3 4 81 303 689 597
75 Downie Creek 1 1 29 60 372 1,135 743
76 Bigmouth Creek 13 1 9 29 318 769 645
78 Carnes Creek 2 1 16 31 313 373 518
83 Begbie Creek 3 1 24 55 551 635 557
84 Pitt Creek Rec Site 3 2 16 130 431 1,274 865
85 Kinbasket Lake 17 8 89 237 468 1,533 304
87 Jumping Creek 1 1 27 30 196 no traps 201
Region Average 4 2 25 69.5 347 725 484
Southern Interior Average 4 8 195 408 463 768 430
we S t e r n he M l o c k lo o P e r Po P u l at I o n aSSeSSMent/Mo n I t o r I n g In t h e ca r I B o o re g I o n
Western hemlock looper egg monitoring during the fall and winter of 2011 in the Cariboo Region predicted
potential significant defoliation at several sites in 2012. However, this did not occur and most locations saw no
defoliation and had very low level populations. The decline was likely due in part to spring egg parasitism and
adverse early summer weather conditions. In the summer of 2012, further monitoring occurred by doing three-tree
beatings and establishing pheromone trap clusters at various locations throughout the susceptible area, as well as
performing egg counts in the fall (Tables 16, 17). Based on the recent data collected, only one site is projected
to suffer moderate to severe defoliation in 2013.
Ministry of Forests, Lands and Natural Resource Operations, Kamloops, B.C.
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