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  • Schistocerca americana  (1)
  • plant-insect interaction  (1)
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  • 1
    Digitale Medien
    Digitale Medien
    Food mixing by generalist grasshoppers: Plant secondary compounds structure the pattern of feeding (1994)
    Springer
    Journal of insect behavior 8 (1994), S. 161-180 
    Details
    ISSN: 1572-8889
    Schlagwort(e): plant secondary compound ; Schistocerca americana ; diets ; food mixing ; feeding behavior ; feeding patterns
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract Plant secondary compounds can prevent feeding by phytophagous insects or, if ingested, can be poisonous to them. Less attention has been paid to the additional effects they have on feeding behavior when they are only weakly deterrent or not deterrent at all. Experiments were carried out on the generalist grass-hopperSchistocerca americana. Individuals were presented either with two cakes of high-quality artificial food with a single deterrent compound added or with two cakes, each with a different added deterrent compound. The deterrents consisted of single plant secondary compounds that were either marginally or strongly deterrent. There were profound differences in feeding behavior between those individuals given identical and those given different cake types, including longer feeding bouts on single cakes when a choice of different cake types was available. The behavioral effects demonstrate that the presence of secondary compounds in one food can influence the patterns of feeding on other available foods and suggest that such chemicals could impact foraging activities in a complex manner.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01988902
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Foraging patterns and dietary mixing in the field by the generalist grasshopperBrachystola magna (Orthoptera: Acrididae) (1994)
    Springer
    Journal of insect behavior 7 (1994), S. 779-793 
    Details
    ISSN: 1572-8889
    Schlagwort(e): diet mixing ; foraging ; generalist ; grasshopper ; plant-insect interaction ; omnivory ; Brachystola magna ; Taeniopoda eques
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract The foraging behavior of a cryptic romaleine grasshopper was observed in its natural habitat in southern Arizona. Individual polyphagy, dietary mixing, and the pattern of feeding on different substrates were monitored. Individuals were found to be extreme generalists with surprising levels of feeding on other insects. Differences in the foraging behavior between grasshopper species are discussed in relation to the habitat, the season, and the different defensive strategies.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01997126
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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    Artikel (Nationallizenzen)
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