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2008 Wattle Range Dorodong Poolaijelo Cavendish Casterton Branxholme Hamilton Dartmoor Nareen Bessiebelle 2009–10 Wattle Range Dorodong Poolaijelo Cavendish Casterton Branxholme Hamilton Mt Gambier Dartmoor Nareen Bessiebelle Note: In 2009 & 2010 widespread autumn gum moth with severe damage (widespread 100% defoliation) in the Wattle Range, Poolaijelo and Nareen areas was mostly due to lack of monitoring and control. (Some companies were in receivership during this period.) CRC for Forestry Technical Report 216: November 2011 Are insect herbivores in eucalypt plantations a worsening problem? 40 Colac Colac
e) Spitfire sawfly (Perga affinis) Perga affinis is one of the four species of spitfire sawflies found in plantations in the Green Triangle. This species is found on adult leaves of mostly 2-year-old to 4-year-old trees in winter. It can cause localised but severe damage. 2000 Wattle Range Dorodong 2001–03 Wattle Range Dorodong 2004 Wattle Range Dorodong Branxholme Hamilton Bessiebelle Branxholme Hamilton Bessiebelle Casterton Branxholme Hamilton 2005 Wattle Range Dorodong Poolaijelo Bessiebelle Casterton Branxholme Hamilton 2006 Wattle Range Dorodong Poolaijelo Bessiebelle Casterton Branxholme Hamilton Bessiebelle 2007 Wattle Range Dorodong Poolaijelo Cavendish Casterton Branxholme Hamilton Dartmoor Nareen Bessiebelle 2008 Wattle Range Dorodong Poolaijelo Cavendish Casterton Branxholme Hamilton Dartmoor Nareen Bessiebelle 2009–10 Wattle Range Dorodong Poolaijelo Cavendish Casterton Branxholme Hamilton Mt Gambier Dartmoor Nareen Bessiebelle CRC for Forestry Technical Report 216: November 2011 Are insect herbivores in eucalypt plantations a worsening problem? 41 Colac Colac Colac Colac Colac Colac
Page 1 and 2: CRC for Forestry Researching sustai
Page 3 and 4: Acknowledgements We thank David de
Page 5 and 6: Contents Acknowledgements .........
Page 7 and 8: Executive summary The total area of
Page 9 and 10: Introduction Over the last few deca
Page 11 and 12: Databases Methods The annual Pest,
Page 13 and 14: a set of tables roughly correspondi
Page 15 and 16: Table 2. Correlation coefficients f
Page 17 and 18: (c) Esperance, WA Number of insect
Page 19 and 20: (a) Green Triangle Severity index (
Page 21 and 22: For WA, Abbott (1993a) and Strauss
Page 23 and 24: 3 Have new insect herbivore species
Page 25 and 26: Discussion In general, there was su
Page 27 and 28: insect herbivores have been acciden
Page 29 and 30: Findings from this report are consi
Page 31 and 32: Future trends So what trends might
Page 33 and 34: Conclusions In this historical anal
Page 35 and 36: References Abbott, I. (1993a) Insec
Page 37 and 38: Jones, R.E. (2001) Mechanisms for l
Page 39 and 40: Paine, T.D., Steinbauer, M.J. & Law
Page 41 and 42: Appendices Changes in damage caused
Page 43 and 44: 2010 Wattle Range Dorodong Poolaije
Page 45 and 46: 2009-10 Wattle Range Dorodong Poola
Page 47: d) Autumn gum moth (Mnesampela priv
Page 51 and 52: 2. South-west WA a) Yellow-belly ch
Page 53 and 54: ) Eucalyptus weevil (Gonipterus pla
Page 55 and 56: 2000 Boddinton Harvey Collie Bussel
Page 59 and 60: 1997 1998 Harvey Collie Busselton D
Page 63 and 64: d) Autumn gum moth (Mnesampela priv
Page 69 and 70: 1994 1995 1996 1997 Collie Busselto
Page 75 and 76: ) Eucalyptus weevil (Gonipterus sp.
Page 77: d) Autumn gum moth (Mnesampela priv

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