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Consumption and utilization of leaf tissue of Quercus suber L. and Quercus ilex L. by Lymantria dispar L. larvae



Consumption and utilization of leaf tissue of Quercus suber L. and Quercus ilex L. by Lymantria dispar L. larvae



Redia 1999?; 80: 99-106



The gypsy moth, Lymantria dispar, was reared on leaves of cork oak (Quercus suber) and holm oak (Q. ilex) for post-ingestive utilization studies. Experiments were performed using new-growth and old-growth leaves from both evergreens to simulate feeding behaviour of the insect in the field. Penultimate and final instar larvae ate about 8-10 times as much cork oak leaves as they gained in weight, whereas for holm oak-fed larvae the corresponding figures were almost twice as much.

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