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New Pest Response Guidelines - aphis - US Department of Agriculture

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Survey Procedures<br />

Figure 4-3 Forest stand with glue bands attached to trees for surveying<br />

migrating caterpillars. © Crown Copyright 2010. Photo courtesy<br />

<strong>of</strong> Forest Research, Scotland, UK/ Roger Moore.<br />

Figure 4-4 Soil sampling to survey overwintering larva. Sampling is done by<br />

collecting soil and forest litter 1-2 m from the tree and visually<br />

searching for overwintering larva. © Crown Copyright 2010.<br />

Photo courtesy <strong>of</strong> Forest Research, Scotland UK / Roger Moore.<br />

12/2012-01 Dendrolimus Pine Moths 4-9

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