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The Role of Semiochemicals in the Avoidance of the Seven-Spot Ladybird, Coccinella septempunctata, by the Aphid Parasitoid, Aphidius ervi
The role of semiochemicals in mediating intraguild interactions between the seven-spot ladybird, Coccinella septempunctata, and the aphid parasitoid, Aphidius ervi, was investigated and hydrocarbons identified induced avoidance behavior by female parasitoids. Expand
Temporal and within-plant distribution of the parasitoid and predator complexes associated with Acyrthosiphon pisum and A. kondoi (Homoptera : Aphididae) on alfalfa in Japan
The temporal and spatial distributions of members of the aphidphagous guild are likely to influence natural enemy–aphid relationships and intraguild interactions. Expand
Trail sex pheromone as a cue for searching mates in an insect predator Orius sauteri
Fauvergueet al. (1995) demonstrated recently that males of a parasitoid wasp, Aphelinus asychis Walker, search intensively areas where females have previously visited and leave a pheromone on the substrate which the authors described as a trail sex phersomone. Expand
Chemically Mediated Intraguild Predator Avoidance by Aphid Parasitoids: Interspecific Variability in Sensitivity to Semiochemical Trails of Ladybird Predators
The avoidance responses of aphid parasitoids with varying host ranges to chemical trails deposited by intraguild predatory ladybirds, Coccinella septempunctata and Adalia bipunctata, were investigated and A. eadyi showed more sensitive avoidance responses to n-tricosane than did the other two parasitoid species. Expand
Defensive chemicals of neighboring plants limit visits of herbivorous insects: Associational resistance within a plant population
This study demonstrates that understanding of effects of plant defensive traits on plant‐herbivore interactions requires careful consideration of the spatial distribution of plant defenses, and provides support for the importance of spatial context to accurately capture the ecological and evolutionary consequences of plant‐ Herbivores interactions. Expand
Sound generation by head-on and oblique collisions of two vortex rings
Sound generation by head-on and oblique collisions of two vortex rings with equal strength is investigated by a direct numerical simulation. The three-dimensional, unsteady, compressibleExpand
Hyperbolic Navier-Stokes Solver for Three-Dimensional Flows
In this paper, we present a hyperbolic Navier-Stokes solver for three-dimensional compressible viscous ows. Hyperbolic Navier-Stokes systems, which have been constructed and demonstrated in twoExpand