Estimating Predation of the Grain Aphid Sitobion avenae by Polyphagous Predators

1. The numbers of dead and live aphids falling to the ground in a cereal crop were estimated. The estimates showed that more live aphids fall to the ground than dead ones. 2. The availability of live aphids to predators which forage on the ground was low because aphids quickly returned to the crop c...

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Veröffentlicht in:	The Journal of applied ecology 1994-02, Vol.31 (1), p.1-12
Hauptverfasser:	Winder, L., Hirst, D. J., Carter, N., Wratten, S. D., Sopp, P. I.
Format:	Artikel
Sprache:	eng
Schlagworte:	Aphididae Applied ecology Biological and medical sciences Biological control Control Fundamental and applied biological sciences. Psychology Homoptera Instars Invertebrates Larvae Mortality Phytopathology. Animal pests. Plant and forest protection Predation Predators Protozoa. Invertebrates Sitobion avenae Spiders Surgical suction Vegetation canopies Wheat
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