Tamarack Pests

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Black backed woodpecker 20
Why is Eastern Larch Beetle causing so much tamarack mortality? Warmer winters and longer growing seasons? Precipitation levels? Drought, high water levels Stand conditions? Age, stand composition, vigor Changes in larch beetle behavior? Secondary, primary Is larch casebearer stressing tamaracks making them susceptible to LB? 21
Page 1 and 2: Tamarack Pests • Mostly found on
Page 3: Larch sawfly Found around the world
Page 6 and 7: Stem decays Ontario 1950’s Phelli
Page 8 and 9: Fungi Isolated from Eastern Larch B
Page 10 and 11: Outbreak since 2000 Likely cause st
Page 12 and 13: Larch beetle mortality 2000 through
Page 14 and 15: August 2011 14
Page 16 and 17: Tamarack mortality due to Eastern l
Page 18 and 19: Reproductive biology Brood 1 Summer
Page 22 and 23: What is causing the eastern larch b
Page 24 and 25: What is causing the eastern larch b
Page 26 and 27: Overwintering of ELB Confusion in t
Page 28 and 29: Seasonal changes in mean supercooli
Page 30 and 31: Currently……. I still do not kno
Page 32 and 33: Research Background Only two major
Page 34 and 35: Research Studies of insect biology
Page 36 and 37: Research The influence of tamarack

Tamarack Pests

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