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Identifying Gypsy Moth Early Larval Instars
作者
Michael L. McManus / Daniel B. Twardus
出版1988
ISBN
MINN:319510029625101
主題
Gypsy moth
How to Distinguish Between Old and New Egg Masses ...
作者
Daniel B. Twardus / Valentine M. Carolin
出版1984
ISBN
UVA:X001754402
主題
Conifers
The Spray Swath of the DC-3 for Gypsy Moth Suppres...
作者
John Ghent
出版1994
ISBN
MINN:31951D029800690
主題
Bacillus thuringiensis
Identifying Gypsy Moth Early Larval Instars
作者
Michael L. McManus / Daniel B. Twardus
出版1989
ISBN
OCLC:1039880184
主題
Gypsy moth
The Eastern Tent Caterpillar
作者
Robert Rabaglia
出版1990
ISBN
MINN:31951D02980034J
主題
Eastern tent caterpillar
Gypsy Moth Suppression in the Northeast
作者
Daniel B. Twardus
出版1990
ISBN
MINN:31951D02980197R
主題
Gypsy moth
How to Distinguish Between Old and New Egg Masses ...
作者
D. B. Twardus / United States. Forest Service / V. M. Carolin
出版1985
ISBN
OCLC:216408412
A Decision-support System for Managing Western Spr...
作者
Daniel B. Twardus
出版1983
ISBN
MINN:31951D023362737
Forest Health Assessment for the Northeastern Area...
作者
Daniel B. Twardus
出版1995
ISBN
MINN:31951D029800739
主題
Forest health
How to Distinguish Between Old and New Masses of t...
作者
Daniel B. Twardus / Valentine M. Carolin / United States. Department of Agriculture
出版1984
ISBN
OCLC:462227078
主題
Western spruce budworm
The Spray Swath of the DC-3 for Gypsy Moth Suppres...
作者
John Ghent
出版1994
ISBN
OCLC:317139302
主題
Bacillus thuringiensis
Spruce Budworms Handbook
作者
Daniel B. Twardus / V. M. Carolin
出版1984
ISBN
OCLC:246330402
Efficacy of Bacillus Thuringiensis on Western Spru...
作者
Michael A. Marsden / William M. Ciesla / Daniel B. Twardus
出版1984
ISBN
OCLC:16418037
主題
Bacillus thuringiensis
Swath Width Evaluation
作者
Milton E. Teske / Daniel B. Twardus / Robert B. Ekblad
出版1990
ISBN
OCLC:35251373
主題
Aerial spraying and dusting in forestry
Relationship of Host Bud Development and Western B...
作者
Daniel B. Twardus
出版1982
ISBN
OCLC:1039851676
A Pest Management Alternative for Grand and White ...
作者
Daniel B. Twardus / Gregory M. Filip / Ralph Jaszkowski
出版1983
ISBN
OCLC:1039884623
Planning Insecticide Application and Timber Harves...
作者
Robert E. Stevens / George P. Markin / Valentine M. Carolin
出版1984
ISBN
OCLC:11144966
主題
Caterpillars
Detection and Evaluation Procedures for Potential ...
作者
Tom Gregg
出版1981
ISBN
OCLC:969776573
主題
Douglas fir tussock moth
Gypsy Moth Suppression in the Northeast
作者
Daniel B. Twardus
出版1992
ISBN
OCLC:1039857530
主題
Northeastern States
A Guide to Weather and Gypsy Moth Spray Operations...
作者
Daniel B. Twardus
出版1990
ISBN
OCLC:1039864951
National Forest Health Monitoring Program; Marylan...
作者
Buckelew Cumming Anne
出版2006
ISBN
OCLC:1039862030
Evaluation of Weather Patterns in Relation to West...
作者
Daniel B. Twardus
出版1981*
ISBN
OCLC:301745175
主題
Western spruce budworm
Forest Health Assessment for the Northeastern Area...
作者
Daniel B. Twardus
出版1995
ISBN
OCLC:317153943
主題
Forest health
Western Spruce Budworm in Eastern Oregon, 1980
作者
Tim McConnell / Paul Joseph / David McComb / Daniel Twardus
出版1980
ISBN
OCLC:954170746
主題
Western spruce budworm
1997 Allegheny NF Black Cherry Health Assessment
作者
Daniel B. Twardus
出版1997
ISBN
OCLC:1039876835
主題
Allegheny National Forest
Forest Health Assessment for the Northeastern Area...
作者
Daniel B. Twardus
出版1995
ISBN
MINN:31951D029800739
主題
Forest health
Gypsy Moth Suppression in the Northeast
作者
Daniel B. Twardus
出版1990
ISBN
MINN:31951D02980197R
主題
Gypsy moth
How to Distinguish Between Old and New Egg Masses ...
作者
Daniel B. Twardus / Valentine M. Carolin
出版1984
ISBN
UIUC:30112027505137
主題
Conifers
A Decision-support System for Managing Western Spr...
作者
Daniel B. Twardus
出版1983
ISBN
MINN:31951D023362737
Spruce Budworms Handbook
出版1984
ISBN
UCAL:B4532160
主題
Western spruce budworm