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Insects 2012, 3(3), 709-718;

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

Department of Plant Protection, College of Agriculture, Shahid Chamran University of Ahvaz, Ahvaz 61357-831351, Iran
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. View Full-Text
Keywords: termites; vector; recipient; biological control termites; vector; recipient; biological control

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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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