CRC Forestry - CRC for Forestry
CRC Forestry - CRC for Forestry
CRC Forestry - CRC for Forestry
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c) Leaf-blister sawfly (Phylacteophaga froggatti)<br />
Leaf-blister sawfly was accidentally introduced to WA in 1978. The distribution range of this<br />
species is restricted to coastal areas. It appears that this species is not able to maintain populations<br />
during the dry hot summers of inland areas. The most effective species of natural enemy is missing<br />
from WA (Loch et al., 2004); however, a suite of other specialist and generalist natural enemies are<br />
present in WA. Eggs are laid mostly on juvenile leaves, so most damage occurs in plantations up to<br />
three years old.<br />
1990–<br />
94<br />
1995<br />
1996<br />
Collie<br />
Busselton Donnybrook MacAlinden<br />
Boyup Brook<br />
Frankland<br />
Scott River Manjimup Rocky Gully Mt Barker<br />
Northcliffe Denbarker Porongurups Palmdale<br />
Collie<br />
Busselton Donnybrook MacAlinden<br />
Boyup Brook<br />
Frankland<br />
Scott River Manjimup Rocky Gully Perillup Mt Barker<br />
Denmark Albany Manypeaks Mettler<br />
Northcliffe Denbarker Porongurups Palmdale<br />
Collie<br />
Busselton Donnybrook MacAlinden<br />
Boyup Brook<br />
Frankland<br />
Scott River Manjimup Rocky Gully Perillup Mt Barker<br />
Denmark Albany Manypeaks Mettler<br />
Northcliffe Denbarker Porongurups Palmdale<br />
Denmark Albany Manypeaks Mettler<br />
<strong>CRC</strong> <strong>for</strong> <strong>Forestry</strong> Technical Report 216: November 2011<br />
Are insect herbivores in eucalypt plantations a worsening problem? 50
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