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Food quality of spruce needles for forest damaging insects 21. comparison of the larval development and of the utilization of needle compounds of spruce picea abies by larvae of gilpinia hercyniae hymenoptera diprionidae lymantria monacha and lymantria dispar lepidoptera lymantriidae feeding simultaneously on identical plant material



Food quality of spruce needles for forest damaging insects 21. comparison of the larval development and of the utilization of needle compounds of spruce picea abies by larvae of gilpinia hercyniae hymenoptera diprionidae lymantria monacha and lymantria dispar lepidoptera lymantriidae feeding simultaneously on identical plant material



Zeitschrift fuer Angewandte Entomologie 95(4): 390-405



The development and food utilization of L. monacha and L. dispar, respectively, were compared with that of G. hercyniae when identical needle material of spruce (P. abies Karst.) was fed under standardized conditions. The determination of the parameters growth performance, production of feces and chrysalization indicate a high qualitative similarity of development. Soluble carbohydrate and procyanidins were utilized by all examined species in the same way, in contrast to which very noticeable differences in the assimilation rates of amino acids as well as of quinic acid and shikimic acid were noted. Possible connections of metabolic pathways are discussed.

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Food quality of spruce needles for forest damaging insects. 21. Comparison of the larval development and of the utilization of needle compounds of spruce (Picea abies) by larvae of Gilpinia hercyniae (Hymenopt., Diprionidae), Lymantria monacha, and Lymantria dispar (Lepidopt., Lymantriidae) feeding simultaneously on identical plants. Zeitschrift fur angewandte Entomologie = Journal of applied entomology 95(4): 390-405, 1983

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Food quality of spruce needles for forest damaging insects part 9 influence of needles of the spruce picea abies on glucose 6 phosphate dehydrogenase activity in larvae of gilpinia hercyniae hymenoptera diprionidae. Zeitschrift fuer Angewandte Entomologie 85(4): 379-391, 1978

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