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Forests and the Insect Factor: A National Factor (c. 1973)
Texas Forestry Museum
Sound |
 
c. 1973 |
 Color 
| English
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  • Highlights
    The interrelation of organisms is vital for the planet's survival, a notion known as ecology 
    The benefits of tree farming in comparison to "letting nature take its course"
    Brought from Europe, Lymantria Dispar (known as the gypsy moth) reeks havoc on Northeastern trees in the United States
    Saylorsrug, Pennsylvania, resident Janet Weidensaul describes the overwhelming destruction of gypsy moths on her entire yard
    James Bean, the program manager of Gypsy Moth Research for the US Forest Service, explains tree mortality caused by the insects
    Richard Grist, a forester in West Virginia, expresses concerns for the spread of gypsy moths without the help of DDT
    Pierre Vite, program director of the Boyce Thompson Institute, speaks on DDT use in Sweden
    The area of destruction caused by the spruce budworm in Maine is the equivalent of the entire state of Connecticut
    State foresters theorize several options to control the pests
    Some insects, such as the pine bark beetle in the American south and Rocky Mountain region, are not effected by pesticides 
    Texas Forest Service entomologist Joe Pase explains the life cycle of the southern pine beetle
    John Sisley of the Georgia Kraft Co. worries that the beetle procreates faster than humans can harvest the infected trees
    Texas Forest Service entomologist and Texas Forest Service State Forester from 1967 until 1981, Paul Krammer discuss control aspects to minimize losses caused by the southern pine beetle
    Texas Forest Service entomologist Joe Pase and John Wood, head of the Texas Forest Service Forest Management Department, discuss some of the problems associated with effectively controlling the spread of Southern pine beetle infestations
    Bark beetles in the Rocky Mountains; "they just don't understand or respect man's land boundaries"
    Rem Kohrt, a forester in Saint Anthony Idaho, speaks about the mountain pine beetle in the Targhee National Forest
    The tussock moth causes widespread destruction of the forests in the Pacific Northwest
    Concluding the dangers of insect damage