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Monday, April 20, 2020 | History

2 edition of Parasite complex of the larch casebearer in Idaho and Montana progress report found in the catalog.

Parasite complex of the larch casebearer in Idaho and Montana progress report

Christine Gail Niwa

Parasite complex of the larch casebearer in Idaho and Montana progress report

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Published by USDA Forest Service, Northern Region, State & Private Forestry in Missoula, Mont .
Written in English

    Subjects:
  • Larch casebearer -- Biological control -- Idaho.,
  • Larch casebearer -- Biological control -- Montana.,
  • Larch casebearer -- Parasites -- Idaho.,
  • Larch casebearer -- Parasites -- Montana.,
  • Western larch -- Diseases and pests -- Biological control -- Idaho.,
  • Western larch -- Diseases and pests -- Biological control -- Montana.

  • Edition Notes

    Statementby C.G. Niwa and J.S. Hard.
    SeriesForest pest management, Report -- no. 81-15., Report (United States. Forest Service. Northern Region) -- no. 81-15.
    ContributionsHard, John S., United States. Forest Service. Northern Region. State & Private Forestry.
    The Physical Object
    Pagination8 p. :
    ID Numbers
    Open LibraryOL16140042M


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Parasite complex of the larch casebearer in Idaho and Montana progress report by Christine Gail Niwa Download PDF EPUB FB2

Request PDF | Cold tolerance of the invasive larch casebearer and implications for invasion success | • Larch casebearer became established in North America in. Forest Service: An aerial test of Orthene against the larch casebearer / (Ogden, Utah: Dept.

of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, ), also by Richard I. Washburn, George P. Markin, R. Ladd Livingston, and Intermountain Forest and Range Experiment Station (Ogden, Utah) (page images at HathiTrust).

Full text of "Field guide to the common diseases and insect pests of Oregon and Washington conifers" See other formats. Full text of "Forest insect and disease conditions in the United States, " See other formats.

Introduction. Since the Wisconsinan glacial maximum ∼21 years ago, the rate of change of species composition in Canada has been determined by natural processes such as the rate and extent of environmental change, species dispersal, and competitive and adaptive capacities ().However, the arrival of Europeans in North America ∼ years ago resulted in changes to Cited by: We sampled L.

occidentalis trees at multiple sites in Oregon, Washington, Idaho, and Montana. laricella was present at all sites with average state densities ranging from to. This report also includes a list of publications reporting results of USDA and cooperative research issued between July 1,and J This progress report was compiled in the Forest Service, U.

Department of Agriculture, Washington, D.C. UNITED STATES DEPARTMENT OF AGRICULTURE Washington, D.C July 1, % i y TABLE OF. United States Department of Agriculture Forest Service 3DFL¿F 1RUWKZHVW 5HVHDUFK 6WDWLRQ *HQHUDO 7HFKQLFDO Report *75 April The Western Bark Beetle Research Group: A Unique Collaboration With Forest Health Protection Proceedings of a Symposium at the Society of American Foresters Conference October 23–28.

some of the statements in the EPA Order issued J, canceling most uses of DDT effective Decem Since that time, personnel of the EPA Region X office and the Office of Pesticide Programs, Washington, D.C., have maintained close contact with the U.S. Forest Service, Region 6, staff as well as representatives of the State of Oregon Forestry Department.

A report of the results of Cooperative Research Agreement Number PSWCA between Utah State University and the Pacific Southwest Forest Experiment Station. Submitted 8 April Co-authors Dale J. Blahna & Deborah J.

Chavez. A New Technological Era for American Agriculture August OTA-F NTIS order #PB GPO stock #— —File Size: 7MB. Second report on the injurious and other insects of the state of New York. Albany, xiv + pp. [Parshley ] Lintner, J. [Note on predatory Pentatomidae].

15th Ann. Rpt. Entomol. Soc. Ontario [xerox] Lintner, J. Report of the state entomologist to the Regents of the University of the state of New York, for the.

Edwards, William Henry ([3 May] ): List of Species of Butterflies Collected by Campbell Carrington and William B.

Logan, of the Expedition, in Pages in F. Hayden, Preliminary Report of the United States Geological Survey of Montana and Portions of Adjacent Territories, Bei, Washington, D. C., Government Printing Office. This bibliography began in as an addendum to the first issue of the newsletter The Tachinid subsequent issue of the yearly newsletter has carried a bibliographic section covering literature published since the last newsletter, plus post literature overlooked in.

nary - Free ebook download as PDF File .pdf), Text File .txt) or read book online for free/5(3). Larch dwarf mistletoe (Arceuthobium laricis (Piper) St. John) is a common and damaging parasite of western larch (Larix occidentalis Nutt.) in the Pacific Northwest and southern British Columbia.

Larch dwarf mistletoe occurs commonly throughout the range of western larch in British Columbia, northern and central Idaho, western Montana and east. Stratification requirements for germination of western larch (Larix occidentalis Nutt.) seed.

Treesearch. Frank C. Sorenson. A northeast Washington collection of western larch seeds was stratified for 0,10, 20, 40, and 80 days and incubated at 55, 64, and 73 °F.

The germination percentage of filled seeds and speed and uniformity of germination were. Fig. Overwintering larvae of larch casebearer, Coleophora laricella, attached to spur shoots of western larch, Larix occidentalis, are a sample unit that can be used to predict defoliation by this insect. three crown level ratings and ranged from a low of 0 to a high of 72 (Table ).

Search for: Volume 1: Conifers - North Carolina Forestry Library. Mathis Côté | Download | HTML Embed. Register of Faculty Publications Utah State University Record Group Preface.

Assembled over the last thirty to forty years, the following index consists of journal reprints and publications of present and former faculty members at Utah State University.

The stronger the wind or slope, the greater the length-to Forestry Handbook for British Columbia breadth (L/B) ratio. To arrive at an L/B ratio for. CHAPTER.

1 Introduction. EDWARD O. WILSON Pellegrino University Professor, Museum of Comparative Zoology, Harvard University, Cambridge, Massachusetts. Biodiversity, the term and concept, has been a remarkable event in recent cultural evolution: 10 years ago the word did not exist, except perhaps through occasional idiosyncratic use.

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Some observed relationships between the individual rate of increase, R, and population density, N, for (A) the edible cockle (redrawn from D. Handcock in the book Dynamics of Numbers in Populations, p. ; see Figure for complete reference), (B) the great tit (redrawn from H.

Kluyver, p. in the same book), and (C) the.