BioControl

, Volume 50, Issue 1, pp 143–150 | Cite as

Pathogenicity of hyphomycetous fungi against Cyclocephala signaticollis

Article

Abstract

Susceptibility of the white grub Cyclocephala signaticollis Burmeister (Coleoptera: Scarabaeidae: Dynastinae) larvae to seven isolates of Beauveria bassiana (Balsamo) Vuillemin, five of Metarhizium anisopliae (Metschnikoff) Sorokin and two of Paecilomyces lilacinus (Thom) Samson (Deuteromycotina: Hyphomycetes) was investigated. Among 14 fungal isolates screened the most virulent was a B. bassiana isolate (Bb 53) that caused 70% mortality of third instar larvae in 40 days after inoculation at 1 × 108 conida/ml. Strains of M. anisopliae and P. lilacinus showed low efficacy or no virulence to the target host.

Keywords

Beauveria bassiana biological control entomopathogenic fungi Metarhizium anisopliae Paecilomyces lilacinus soil insects white grubs 

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Copyright information

© Springer 2005

Authors and Affiliations

  1. 1.CIB-FIBA, Centro de Investigaciones Biológicas-Fundación para Investigaciones Biológicas Aplicadas (FIBA)Mar del PlataArgentina
  2. 2.Cátedra de Zoología Agrícola, Facultad de Ciencias AgrariasUniversidad Nacional de RosarioZavalla, Santa FeArgentina

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