Tent caterpillar attack, Alder

Responses of Alder and Willow to Attack by Tent Caterpillars and Webworms ... 

Figure 1- A Average biomass and survivorship of groups of western tent caterpillar larvae fed leaves in the laboratory from red alder trees under attack by tent caterpillars in the field (---) compared to those fed leaves from unattacked con-...

Thus, in contrast to the results obtained the same season with alder, no differences were found in tent caterpillar growth or survival when fed leaves from attacked versus control willows. 

Responses of alder and willow to attack by tent caterpillars and webworms evidence for pheromonal sensitivity of willows. In Plant Resistance to Insects, ed. 

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