- FY08 Sirex Woodwasp.pmd
The good news is that forestry officials in the Southern Hemisphere have successfully employed a biological control agent (the parasitic nematode Deladenus siricidicola) to maintain wasp populations in pine plantations to levels below the economic damage.
- S R Jackpine
Interest in managing jack pine stands has grown in recent years because of dramatic increases in the value of jack pine for pulp (from $4/cord in 1991 to $30/cord or more in recent years), an abundance of overmature jack pine stands and more Jack pine.
- USDA Forest Service
Tree mortality Jack pine budworm is native to North America and has evolved to play an integral part in perpetuating jack pine ecosystems... Regional Reptile Species Species Common Name: Western Hognose Snake Alliance Paper ID IA Landcover ND Landcover.
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