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Insects 2012, 3(3), 709-718; doi:10.3390/insects3030709

Horizontal Transmission of the Entomopathogen Fungus Metarhizium anisopliae in Microcerotermes diversus Groups

1,* , 1
1 Department of Plant Protection, College of Agriculture, Shahid Chamran University of Ahvaz, Ahvaz 61357-831351, Iran 2 Department of Medical Entomology, College of Health, Jundishapur University of Medical Sciences, Ahvaz, 61357-15751, Iran
* Author to whom correspondence should be addressed.
Received: 7 May 2012 / Revised: 5 June 2012 / Accepted: 26 July 2012 / Published: 8 August 2012
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An experiment was carried out in order to investigate fungal conidia transmission of Metarhizium anisopliae (Metschnikoff) Sorokin from vector (donor) to healthy Microcerotermes diversus Silvestri (Iso.: Termitidae) and determine the best donor/concentration ratio for transmission. After preliminary trials, concentrations of 3.1 × 104, 3.9 × 105, 3.2 × 106 and 3.5 × 108 conidia mL−1 were selected for testing. The experiment was performed at three donor : Recipient ratios of 10, 30 and 50%. The highest mortality of recipient workers was observed after 14 days at the concentration of 3.5 × 108 conidia mL−1 and donor ratio of 50%. The mortality of recipient workers was less than 20% at all concentrations at a donor ratio of 10%. Our observations indicate social behavior of M. diversus, such as grooming, can be effective in promoting epizootic outbreaks in a colony. While the current results suggest good potential for efficacy, the use of M. anisopliae as a component of integrated pest management of M. diversus still needs to be proven under field conditions.
Keywords: termites; vector; recipient; biological control termites; vector; recipient; biological control
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Cheraghi, A.; Habibpour, B.; Mossadegh, M.S.; Sharififard, M. Horizontal Transmission of the Entomopathogen Fungus Metarhizium anisopliae in Microcerotermes diversus Groups. Insects 2012, 3, 709-718.

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