2011 Season HighlightsJames Kruse

USDA Forest ServiceForest Health Protection

Fairbanks UnitRoger Burnside

Alaska Dept. of Natural ResourcesDivision of Forestry

Mortality agents (e.g. Ips engraver)

1990

1991

1992

1993

1994

1995

1996

1997

1998

1999

2000

2001

2002

2003

2004

2005

2006

2007

2008

2009

2010

2011

0

5,000

10,000

15,000

20,000

25,000

30,000

35,000

40,000

45,000

50,000

55,000

60,000Northern Spruce Engraver (Ips) Damage 1990-2011

Overlapping Ips & spruce beetle

Ips

Year

Acre

s

Green Alder Sawfly

Cooperative project between UAF and USFS complete – Wipfli lab

Willow Leafblotch Miner Cooperative project between UAF and

USFS complete – Wagner lab

Geometrid Moth Defoliation

Other Defoliation – Hardwoods & Shrubs

Firewood SurveySpecies Family Notes on distribution

Ips pini Scolytidae Previously found in AK

Scolytus monticolae Swaine Scolytidae Not previously found in AK; known from AB and BC

Aulonium longum Colydiidae Not previously found in AK, known from BC

Tomnoscheila chlorodia (Mannerheim) Trogossitidae Not previously found in AK; known from other parts of PNW and as far north as S BC and NW Territories

Corticeus praetermissus (Fall) Tenebrionidae Previously known from AK and much of North America

Cooperative Early Detection Efforts• Alaska Pest Risk Assessment Committee

• Exotic scolytid (bark beetle) EDRR National Program• Cooperative U.S. Forest Service grants (Early Detection focus)

Ips perturbatus slash management study – interior AK

Questions?

national forest native other federal state & private unknown Total Of Sum Of ACRES AGENT

1,722 842 9,090 11,654 Alder Canker

11,571 27,016 59,984 22,635 121,206 Alder defoliation

11,761 49,766 45,943 22,881 130,351 Alder Dieback

182 73 1,560 12 1,827 Alder leafroller

279 1,329 2,933 4,541 Aspen defoliation

17 43,690 23,903 71,614 139,223 Aspen Leaf Miner

498 387 18,489 15,100 34,474 Betula nana defoliation

1,432 1,432 Birch aphid

2,667 5,004 14,725 18,111 40,507 Birch defoliation

304 304 Birch Leaf Miner

1,407 200 24 1,631 Black-headed budworm

24,183 269 2,352 26,804 Cedar decline

1407 1,802 730 467 4,407 Conifer defoliation

1,331 13,564 2,270 3,011 20,177 Cottonwood defoliation

3,202 3,202 Cottonwood Leafroller

127 283 165 147 722 Flooding/high-water damage

799 2,958 1,691 1 5,449 Hardwood defoliation

5,240 234 754 6,227 Hemlock Dieback

8,323 1,021 44 1,772 11,161 Hemlock sawfly

197 146 214 557 IPS and SPB

2,827 2,024 1,222 6,073 Ips engraver beetle

1,270 32 107 268 1,677 Landslide/Avalanche

107 4 111 Larch sawfly

127 39 53 1,629 1,848 Large aspen tortrix

115 6 22 73 216 Porcupine damage

189 6,093 27,913 14,659 48,853 Spruce beetle

308 411 147 866 Spruce broom rust

278 182 460 Spruce defoliation

1,661 952 74 1,437 4,123 Spruce needle aphid

57 9 66 Spruce needle rust

3 3 Sub Alpine Fir Beetle

509 5,661 5,249 2,964 14,382 Willow defoliation

380 127 306 814 Willow Dieback

14,715 13,588 21,176 49,479 Willow Leafblotch Miner

2,817 122 28 531 3,498 Windthrow/Blowdown

3,165 4,604 2,585 10,354 Winter damage