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On the food quality of spruce needles for forest-damaging insects. 19. The annual cycle of spruce-needle contents in relation to the systemic bond between spruce (Picea abies Karst.) and Gilpinia hercyniae (Hym., Diprionidae)


On the food quality of spruce needles for forest-damaging insects. 19. The annual cycle of spruce-needle contents in relation to the systemic bond between spruce (Picea abies Karst.) and Gilpinia hercyniae (Hym., Diprionidae)



Zeitschrift fur Angewandte Entomologie 95(2): 141-150



ISSN/ISBN: 0044-2240

As part of an investigation on the food quality of spruce needles (Picea abies) for insect pests of forests, the course of concentration of soluble carbohydrates, polyphenols, procyanidins and protein amino acids in freeze-dried needles of different ages was determined quantitatively.

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Accession: 001105054

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Related references

Food quality of spruce needles used by forest damaging insects. 19. Changes chemical components of spruce needles undergo in the course of the year in respect to their physiological valence within the systemic bond between spruce (Picea abies Karst.) and the sawfly Gilpinia hercyniae (Hymenoptera, Diprionidae). Zeitschrift fur angewandte Entomologie = Journal of applied entomology 95(2): 141-150, 1983

Food quality of spruce needles used for forest damaging insects 19. the changes that the chemical components of spruce needles undergo in the course of the year in respect to their physiological state within the systemic bond between spruce picea abies and the sawfly gilpinia hercyniae hymenoptera diprionidae. Zeitschrift fuer Angewandte Entomologie 95(2): 141-150, 1983

As to the food quality of spruce needles for forest damaging insects. 14. Interrelationships between proteins and phenols after feeding larvae of Gilpinia hercyniae (Hym., Diprionidae) with spruce needles (Picea abies Karst.). Zeitschrift fur Angewandte Entomologie 90(2): 113-126, 1980

Food quality of spruce picea abies needles for forest damaging insects 16. assimilation of spruce needle compounds by the sawfly gilpinia hercyniae hymenoptera diprionidae. Zeitschrift fuer Angewandte Entomologie 91(3): 236-241, 1981

Food quality of spruce needles for forest damaging insects. 6. utilization of nutritives by the larvae of Gilpinia hercyniae Htg. (Hymenoptera, Diprionidae) feeding with spruce (Picea abies Karst.) needles under standard conditions. Zeitschrift fur angewandte Entomologie 79(2): 177-193, 1975

The food quality of spruce needles for forest damaging insects. 9. Influence of extracts of the needles of spruce (Picea abies Karst.) on the activity of glucose-6-phosphate dehydrogenase on larvae of Gilpinia hercyniae (Hym., Diprionidae). Zeitschrift fur Angewandte Entomologie 85(4): 379-391, 1978

On the food quality of spruce needles for forest-damaging insects. 15. Comparative studies of the development and protein utilisation of older larvae of Gilpinia hercyniae (Hym., Diprionidae) feeding on the same needle material of spruce (Picea abies Karst.) under controlled and field conditions. Zeitschrift fur Angewandte Entomologie 91(2): 113-123, 1981

The quality of spruce needles for forest damaging insects. 14. Interrelationships between proteins and phenols after feeding larvae of Gilpinia hercyniae (Hymenoptera, Diprionidae) with spruce (Picea abies Karst.). Zeitschrift fur angewandte Entomologie = Journal of applied entomology 90(2): 113-126, 1980

Nutrient quality of spruce needles for forest damaging insects. 13. Studies on the nitrogen balance of larvae of Gilpinia hercyniae Htg. (Hymenoptera, Diprionidae) after feeding on needles of spruce (Picea abies Karst.) from different provenances. Zeitschrift fur angewandte Entomologie = Journal of applied entomology 89(1): 3-12, 1980

Food quality of spruce needles for forest damaging insects 13. studies on the nitrogen balance of larvae of gilpinia hercyniae hymenoptera diprionidae after feeding on needles of spruce picea abies from different provenances. Zeitschrift fuer Angewandte Entomologie 89(1): 3-12, 1980

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

Food quality of spruce needles for forest damaging insects. 15. Comparative studies on the development and the rates of intake of protein-amino acids of Gilpinia hercyniae (Hymenoptera, Diprionidae) larvae feeding on the same branches of spruce (Picea abies Karst.) under controlled and field conditions. Zeitschrift fur angewandte Entomologie = Journal of applied entomology 91(2): 113-123, 1981

As to the food quality of spruce needles for forest damaging insects. 16. Assimilation of spruce needle compounds by the sawfly Gilpinia hercyniae (Hym., Diprionidae). Zeitschrift fur Angewandte Entomologie 91(3): 236-241, 1981

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

On the food quality of spruce needles for forest insect pests. 13. Studies on the nitrogen balance of larvae of Gilpinia hercyniae Htg. (Hym., Diprionidae) after feeding on needles of spruce (Picea abies Karst) of different origin. Zeitschrift fur Angewandte Entomologie 89(1): 3-12, 1980