1980 Michigan Forest Pest Report1980 - Forest insects - 33 pages |
Common terms and phrases
1980 michigan forest adult ALGER areas Aspen Leaf Rollers BENZIE GRAND canker Chippewa Choristoneura fumiferana Cooperative Forest Pest Defoliation and Tree DEFOLIATION CLASS defoliation moderate defoliation detected Division Michigan Dept East Lansing Entomology Michigan Forest Pest Management forest pest report Grand Traverse counties harvest herbicides host plants impact infestation insects and diseases JACK PINE BUDWORM Kalkaska County LEELANAU light defoliation moderate Management Division Michigan MANISTEE WEXFORD Marquette Marquette County MASON LAKE OSCEOLA Michigan 48823 Phone Michigan Cooperative Forest michigan forest pest Michigan State University Northern Lower Peninsula numbers oak mortality old growth Otsego Otsego County outbreak percent defoliation pine plantations PINE ROOT COLLAR pine weevil damage PINEWOOD NEMATODE plots population problem red pine Regional Pest Management ROOT COLLAR WEEVIL ROSCOMMON OGEMAW Saratoga spittlebug Sawfly Schoolcraft Schoolcraft counties Spruce Budworm Defoliation stands stumpage rate stumps sugar maple survey total growth tree mortality U.S. Forest U.S. Forest Service Upper Peninsula white pine weevil