Biocontrol of Haematobia irritans Horn Flies with Entomopathogenic Fungi (Beauveria bassiana and Metarhizium anisopliae)


Affiliations

  • Karnataka Veterinary, Animal and Fisheries Sciences University, Department of Parasitoiolgy, Veterinary College, Bangalore, 560024, India
  • Karnataka Veterinary, Animal and Fisheries Sciences University, Veterinary College, Bidar, India

Abstract

The bio-control of adult Haematobia irritans flies, its eggs and pupae with two fungal agents viz, Beauveria bassiana and Metarhizium anisopliae was studied. High concentration of (1×108 conidia /ml) B. bassiana and M. anisopliae showed mortality of 62.5% and 93.7% respectively against eggs of Haematobia irritans. The pupae of H. irritans treated with high concentration B. bassiana and M. anisopliae resulted in 50% and 52% mortality respectively. Adult H. irritans when treated with high concentration of B. bassiana and M. anisopliae showed mortality of 90% and 80% respectively. These two fungal agents led to the reduced emergence of adults form treated eggs and pupae. The growth of mycelia was observed on the body dead adult flies after 4 days.

Keywords

Haematobia irritans, Biological Control, Beauveria bassiana, Metarhizium anisopliae, Efficacy.

Subject Discipline

Entomology

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