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Interactive effects of above- and belowground herbivory and plant competition on plant growth and defenceSoil pathogen-aphid interactions under differences in soil organic matter and mineral fertilizerDevelopment of a solitary koinobiont hyperparasitoid in different instars of its primary and secondary hostsExploring and exploiting volatiles to lure hyperparasitoids away from their parasitoid host.After-life effects: living and dead invertebrates differentially affect plants and their associated above- and belowground multitrophic communitiesHoneydew composition and its effect on life-history parameters of hyperparasitoidsPlant–soil feedback effects on plant quality and performance of an aboveground herbivore interact with fertilisationDisentangling above- and belowground neighbor effects on the growth, chemistry and arthropod community on a focal plantSpecies-specific plant-soil feedback effects on above-ground plant-insect interactionsComplexity of plant volatile-mediated interactions beyond the third trophic levelEffects of glucosinolates on a generalist and specialist leaf-chewing herbivore and an associated parasitoidGustatory response and longevity in Aphidius parasitoids and their hyperparasitoid Dendrocerus aphidumEffects of temperature and food source on reproduction and longevity of aphid hyperparasitoids of the genera Dendrocerus and AsaphesHerbivore-mediated effects of glucosinolates on different natural enemies of a specialist aphidEffects of soil organisms on aboveground multitrophic interactions are consistent between plant genotypes mediating the interactionDrought and soil fertility modify fertilization effects on aphid performance in wheatPrey-mediated effects of glucosinolates on aphid predatorsRelative importance of plant-mediated bottom-up and top-down forces on herbivore abundance on Brassica oleraceaGenetic engineering of plant volatile terpenoids: effects on a herbivore, a predator and a parasitoidPhloem-specific resistance in Brassica oleracea against the whitefly Aleyrodes proletellaTransgenic plants as vital components of integrated pest managementDo parasitized caterpillars protect their parasitoids from hyperparasitoids? A test of the ‘usurpation hypothesis’Do plant volatiles confuse rather than guide foraging behavior of the aphid hyperparasitoid Dendrocerus aphidum?Local variation in conspecific plant density influences plant-soil feedback in a natural grassland