Infection of wintering pupae of horse-chestnut leafminer Cameraria ohridella Deschka et Dimić. by Verticillium lecanii(Zimmerman)Viégas

T. Samek, D. Novotný and L. Jankovský
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T. Samek: Central Institute for Supervising and Testing in Agriculture, Brno, Czech Republic
D. Novotný: Research Institute of Crop Production, Praha-Ruzyně, Czech Republic
L. Jankovský: Faculty of Forestry and Wood Technology, Mendel University of Agriculture and Forestry Brno, Brno, Czech Republic

Journal of Forest Science, 2006, vol. 52, issue 3, 136-140

Abstract: The population dynamics of the horse-chestnut leafminer Cameraria ohridella Deschka et Dimić. was investigated in 1997-2000. The mortality of wintering pupae and the rate of fungal infections were also examined. The mortality of the horse-chestnut leafminer was nearly 40% at the end of spring. The spectrum of fungi on examined dead pupae was as follows: Verticillium lecanii (Zimmerman) Viégas, Cladosporium herbarum (Persoon: Fries) Link, Cladosporium cladosporioides (Fresen.) de Vries, Alternaria alternata (Fr.) Keissler, Acremonium strictum W. Gams, Rhizopus stolonifer (Ehrenberg: Fries) Lind., Arthrinium phaeospermum (Corda) Ellis and Acremonium sp. 1. Verticillium lecanii was the only identified fungus with an entomophagous status. The fungus is, however, a well documented entomopathogen of Homoptera, particularly of aphids, scale insects and whiteflies in tropical and subtropical regions.

Keywords: Cameraria ohridella; horse-chestnut leafminer; horse-chestnut; entomophagous fungi; Verticillium lecanii; mortality; population dynamics (search for similar items in EconPapers)
Date: 2006
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DOI: 10.17221/4495-JFS

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