Prey preference of the phytoseiid mite Typhlodromus pyri. 2. Electrophoretic diet analysis.

M. Dicke, M. de Jong

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32 Citations (Scopus)

Abstract

The prey selection of the phytoseiid miteTyphlodromus pyri Scheuten was studied by using polyacrylamide gel electrophoresis to analyse the diet of field-collected predators. The predators were obtained from an orchard where the phytophagous prey mitesPanonychus ulmi (Koch) andAculus schlechtendali (Nalepa) were present in various density ratios. Esterases of both prey species were identified in the predators, but on all sampling datesP. ulmi esterases were discovered much more frequently than those ofA. schlechtendali. The data show thatT. pyri hardly fed onA. schlechtendali over a range of prey density ratios. It is therefore concluded thatT. pyri prefersP. ulmi toA. schlechtendali.
Original languageEnglish
Pages (from-to)15-25
JournalExperimental and Applied Acarology
Volume4
DOIs
Publication statusPublished - 1988

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Typhlodromus pyri
prey preference
Ulmus
Phytoseiidae
mite
predator
diet
predators
esterases
prey selection
orchard
polyacrylamide gel electrophoresis
electrokinesis
orchards
gel
sampling
analysis

Cite this

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title = "Prey preference of the phytoseiid mite Typhlodromus pyri. 2. Electrophoretic diet analysis.",
abstract = "The prey selection of the phytoseiid miteTyphlodromus pyri Scheuten was studied by using polyacrylamide gel electrophoresis to analyse the diet of field-collected predators. The predators were obtained from an orchard where the phytophagous prey mitesPanonychus ulmi (Koch) andAculus schlechtendali (Nalepa) were present in various density ratios. Esterases of both prey species were identified in the predators, but on all sampling datesP. ulmi esterases were discovered much more frequently than those ofA. schlechtendali. The data show thatT. pyri hardly fed onA. schlechtendali over a range of prey density ratios. It is therefore concluded thatT. pyri prefersP. ulmi toA. schlechtendali.",
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Prey preference of the phytoseiid mite Typhlodromus pyri. 2. Electrophoretic diet analysis. / Dicke, M.; de Jong, M.

In: Experimental and Applied Acarology, Vol. 4, 1988, p. 15-25.

Research output: Contribution to journalArticleAcademicpeer-review

TY - JOUR

T1 - Prey preference of the phytoseiid mite Typhlodromus pyri. 2. Electrophoretic diet analysis.

AU - Dicke, M.

AU - de Jong, M.

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AB - The prey selection of the phytoseiid miteTyphlodromus pyri Scheuten was studied by using polyacrylamide gel electrophoresis to analyse the diet of field-collected predators. The predators were obtained from an orchard where the phytophagous prey mitesPanonychus ulmi (Koch) andAculus schlechtendali (Nalepa) were present in various density ratios. Esterases of both prey species were identified in the predators, but on all sampling datesP. ulmi esterases were discovered much more frequently than those ofA. schlechtendali. The data show thatT. pyri hardly fed onA. schlechtendali over a range of prey density ratios. It is therefore concluded thatT. pyri prefersP. ulmi toA. schlechtendali.

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