Defoliation Maps
1972 1973
1974 1975
1976 1977
1978 1979
1980 1981
1982 1983
1984 1985
1986 1987
1988 1989
1990 1991
1992 1993
1994 1995
1996 1997
1998 1999
2000 2001
Other Maps
Infestation - 1998
Risk Map
Gypsy Moth Regulated and Transition Areas (APHIS)
Charts
Defoliation, 1970-1998
Insecticide Use, 1970-2002

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