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Creator:: Jantz, Orlo Kenneth
Abstract:: Behavioral responses exhibited by the Douglas-fir beetle, Dendroctonus pseudotsugae Hopkins, to various attractant sources were investigated under both laboratory and field conditions. Tests were designed to observe olfactory responses. Results were correlated and compared with collections from sampling nets and with emergence patterns. Field data were collected during the flight...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF Orlo Kenneth Jantz for the Ph

Creator:: Jantz, O. K. (Orlo Kenneth), 1934- and Rudinsky, J. A. (Julius Alexander), 1917-
Abstract:: Published July 1966. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: -------------------------------------------------------------------------------- 36 AUTHORS: O. K. Jantz is a former research assistant and J. A. Ru- dinsky is a professor of forest

Creator:: Cowan, Bruce Dudley
Abstract:: Six species of Cleridae, including Enoclerus spegeus Fabricius, E. lecontei Wolcott, E. schaefferi (Barr), E. eximius Mannerheim, Thanasimus undatulus Say, and an undescribed species of Enoclerus, were found on Douglas-fir in western Oregon. E. sphegeus was the only clerid of the six species studied which was primarily associated with the...
Resource Type:: Masters Thesis
Full Text:: suggestions concerning statisti- cal analysis of sampling data. To Orlo Jantz, Gary Daterman, Willard

Creator:: Brandt, Patricia A.
Abstract:: A departmental and author index of 1,388 Masters Theses and Doctoral Dissertations accepted by the Graduate School, Oregon State University.
Resource Type:: Book
Full Text:: University. RODNEY K. WALDRON Director of Libraries CONTENTS Agricultural Economics

Creator:: Hendrickson, William Henry
Abstract:: Factors considered were phloem moisture, sour-phloem (which may be furthered by the presence of ample phloem moisture), oleoresin of the host, and the presence of unmated female beetles in suitable host material. Levels of phloem moisture present in variously prepared logs in the field ranged from about 100 to upwards...
Resource Type:: Dissertation
Full Text:: did Dr. P. O, Ritcher, Chairrnan of the Departrnent of Entornology. Dr. Charles H. Martin, also of

Creator:: Brown, Pia Tollo
Abstract:: This compilation of theses and dissertations (a part of the OSU Bibliographic Series) for the period 1970-1977 reflects this university's emphasis on research and graduate study. It may be viewed as an indicator of the contributions made to the state of Oregon through graduate study and research at Oregon State...
Resource Type:: Book
Full Text:: IE Waldron (Director of Libraries T A 3 L E O F Preface . . . . . . . . . . . . . . . . . iii

Creator:: Daterman, Gary E.
Abstract:: The study was undertaken to determine the seasonal and diurnal flight patterns of scolytid beetles inhabiting a second growth forest of Douglas-fir (Pseudotsuga menziesii (Mirb.)Franco) in western Oregon. Air temperatures, relative humidity, light intensity, and wind velocities were recorded for evaluation of their influence on flight activity. The insects were...
Resource Type:: Masters Thesis
Full Text:: review of the thesis and helpful suggestions in organization. To my student colleagues 1 Mr. Orlo K

Creator:: Burford, Wesley Roy
Resource Type:: Masters Thesis
Full Text:: investment as a rule. b) More unsightliness, if not kept up. o) Greater costs in maintenance, if help

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