<div class="description">
<dl><dd>Cover title</dd>
<dd>"Canusa, Canada/United States Spruce Budworms Program."</dd>
<dd>"July 1981."</dd>
<dd>Bibliography: p. 18-19</dd></dl><br>Subjects: Insects Larvae; Western spruce budworm; Virus diseases; Biological assay</div>
<div class="fn value">
<dl><dd>Martignoni, Mauro E., 1926-</dd>
<dd>Iwai, Paul J. cn</dd>
<dd>Pacific Northwest Forest and Range Experiment Station (Portland, Or.) cn</dd>
<dd>Canada/United States Spruce Budworms Program. cn</dd></dl></div>
<dl><dd><a rel="nofollow" class="external free" href="https://archive.org/details/CAT92272925">https://archive.org/details/CAT92272925</a></dd>
<dd><a rel="nofollow" class="external free" href="https://archive.org/download/CAT92272925/CAT92272925.pdf">https://archive.org/download/CAT92272925/CAT92272925.pdf</a></dd></dl>