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Entomophthora blunckii an Kohlschaben (Plutella maculipennis): Isolierung und neue Beschreibung

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Zusammenfassung

Von pilzbefallenen Larven der KohlschabePlutella maculipennis Curt. wurdeEntomophthora blunckii Lakon exZimmermann isoliert. Die Art wird mit lateinischer Diagnose gültig beschrieben, die morphologischen Merkmale werden ergänzend angegeben und erstmals durch Fotos belegt.E. blunckii wächst gut auf koaguliertem Eidotter, weniger gut auf Sabouraud-Glucose-Agar. Mycelwachstum wurde zwischen 8° und 28°C beobachtet, dagegen nicht bei 32°C. Die Symptome infizierter Larven werden geschildert und der Pilz wird mit ähnlichen Arten verglichen.

Summary

Entomophthora blunckii Lakon exZimmermann was isolated from larvae of the diamondback-mothPlutella maculipennis Curt. and redescribed. The fungus is characterized by its elliptical to pear-shaped conidia (from infected larvae 13–20×7–11 μm, mostly 15–18×7–9 μm) with the outer membrane often inflated and its branched conidiophores forming a dense gray to faint greenish-yellowish covering over the body of the insect. The symptoms of larvae infected withE. blunckii are described. The species grows on coagulated egg yolk, less well on Sabouraud-Dextrose-Agar. Growth was observed between 8° and 28°C but not at 32°C. The fungus is compared with similar species.

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  1. Biologische Bundesanstalt für Land — und Forstwirtschaft, Institut für biologische Schädlingsbekämpfung, D-6100, Darmstadt, Deutschland

    G. Zimmermann

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  1. G. Zimmermann
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Zimmermann, G. Entomophthora blunckii an Kohlschaben (Plutella maculipennis): Isolierung und neue Beschreibung. Entomophaga 23, 181–187 (1978). https://doi.org/10.1007/BF02371726

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  • DOI: https://doi.org/10.1007/BF02371726

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