Figure 5. — One of the big losers. the impacts of the insects as they spread to 



Three-fourths of the timber volume in this stand new frontiers of forest vegetation, and will 

 was lost to gypsy moth. also provide data nee ded to test and improve 



techniques for predicting and evaluating 

 damages. 



ACKNOWLEDGMENTS 



Our thanks to personnel of "The Expanded 

 Gypsy Moth Research and Development Pro- 

 gram" and the Forest Insect and Disease Man- 

 agement staff, Northeastern Area State and 

 Private Forestry, U.S. Department of Agricul- 

 ture, Forest Service. Their support in col- 

 lecting and analyzing data made this study 

 possible. 



LITERATURE CITED 



Gansner, David A., Owen W. Herrick, and Wil- 

 liam B. White. 1978. Economic analysis of the 

 gypsy moth problem in the Northeast. IV. For- 

 est stand hazard ratings for gypsy moth. U.S. 

 Dep. Agric. For. Serv. Res. Pap. NE-410. 3 p. 

 Herrick, Owen W., David A. Gansner, and Paul 

 S. DeBald. 1979. Predicting stand losses from 

 the gypsy moth: An application of automatic 

 interaction detection (AID). J. For. 77(2): 

 91-94. 



Mendel, Joseph J., Paul S. DeBald, and Martin 

 E. Dale. 1976. Tree value conversion standards 

 for hardwood sawtimber. SETs: Stand evalua- 

 tion tools 2. U.S. Dep. Agric. For. Serv. Res. 

 Pap. NE-337, 74 p. 



-U.S. GOVERNMENT PRINTING OFFICE: 1979—603-011/10 



MANUSCRIPT RECEIVED FOR PUBLICATION 5 DECEMBER 1978 



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