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AgSci » Entomology » Insect Advice from Extension » Christmas Trees » Insect Information » Pest Alerts » PEST ALERT: Douglas-fir Needle Midge » Figure 9. Chlorotic spots caused by Cooley adelgids feeding

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Figure 9. Chlorotic spots caused by Cooley adelgids feeding

Figure 9. Chlorotic spots caused by Cooley adelgids feeding
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