2 edition of Initial releases of Chrysocharis laricinellae and Dicladocerus westwoodii for biological control of the larch casebearer in the Western United States found in the catalog.
Initial releases of Chrysocharis laricinellae and Dicladocerus westwoodii for biological control of the larch casebearer in the Western United States
Roger B. Ryan
Published
1973
by U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station in Portland, Or
.
Written in English
Edition Notes
Statement | by R.B. Ryan and R.E. Denton. |
Series | USDA Forest Service research note PNW -- 200. |
Contributions | Denton, Robert E., Pacific Northwest Forest and Range Experiment Station (Portland, Or.) |
The Physical Object | |
---|---|
Pagination | 4 p. ; |
ID Numbers | |
Open Library | OL17725116M |
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