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Douglas-fir needles as larval food of Lymantria monacha L. - a qualitative comparison to Norway spruce needles



Douglas-fir needles as larval food of Lymantria monacha L. - a qualitative comparison to Norway spruce needles



Mitteilungen der Deutschen Gesellschaft fur allgemeine und angewandte Entomologie 15: 31-34



The suitability of neophytic Douglas fir needles and Norway spruce needles as food for L. monacha larvae was studied in both a choice test and a breeding experiment in the lab. Besides the bioassays, needle compounds were analysed. Although larvae significantly preferred Douglas fir needles, feeding on Douglas fir resulted in significantly lower weights of pupae compared to spruce.

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