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Insect parasites and predators of Phyllophaga anxia (LeConte) (Col., Scarabaeidae) in Quebec, Canada

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AbstractPhyllophaga anxia (LeConte), is the most common and destructive species of June beetle in the province of Quebec, Canada. In the course of a systematic 4‐year survey in southern Quebec, 29 species (belonging to 13 families in 3 orders) of parasitic and predaceous insects were found associated with the pest. Tachinid flies and tiphiid wasps were the most common parasites. The roles of the parasites and predators of P. anxia are reviewed. The survey showed that these natural enemies had low impact on field populations of the June beetle.ZusammenfassungParasitoide und räuberische Insekten als Feinde von Phyllophaga anxia (LeConte) (Col., Scarabaeidae) in Quebec, KanadaPhyllophaga anxia ist der häufigste und gefährlichste Schädling unter den Junikäfern in der kanadi‐schen Provinz Quebec. Im Verlauf einer 4jährigen Untersuchung im südlichen Quebec wurden 29 Arten (aus 13 Familien und 3 Ordnungen) parasitoider und räuberischer Insekten gefunden, die mit dem Schädling assoziiert waren. Davon waren die Tachiniden und Tiphiiden die häufigsten Parasitoiden. Die Rolle der Parasitoiden und Prädatoren bei P. anxia wird zusammenfassend dargestellt. Die Übersicht zeigt, daß diese natürlichen Feinde bei der Regulation der Junikäfer‐Population nur eine geringe Rolle spielen.
Title: Insect parasites and predators of Phyllophaga anxia (LeConte) (Col., Scarabaeidae) in Quebec, Canada
Description:
AbstractPhyllophaga anxia (LeConte), is the most common and destructive species of June beetle in the province of Quebec, Canada.
In the course of a systematic 4‐year survey in southern Quebec, 29 species (belonging to 13 families in 3 orders) of parasitic and predaceous insects were found associated with the pest.
Tachinid flies and tiphiid wasps were the most common parasites.
The roles of the parasites and predators of P.
anxia are reviewed.
The survey showed that these natural enemies had low impact on field populations of the June beetle.
ZusammenfassungParasitoide und räuberische Insekten als Feinde von Phyllophaga anxia (LeConte) (Col.
, Scarabaeidae) in Quebec, KanadaPhyllophaga anxia ist der häufigste und gefährlichste Schädling unter den Junikäfern in der kanadi‐schen Provinz Quebec.
Im Verlauf einer 4jährigen Untersuchung im südlichen Quebec wurden 29 Arten (aus 13 Familien und 3 Ordnungen) parasitoider und räuberischer Insekten gefunden, die mit dem Schädling assoziiert waren.
Davon waren die Tachiniden und Tiphiiden die häufigsten Parasitoiden.
Die Rolle der Parasitoiden und Prädatoren bei P.
anxia wird zusammenfassend dargestellt.
Die Übersicht zeigt, daß diese natürlichen Feinde bei der Regulation der Junikäfer‐Population nur eine geringe Rolle spielen.

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