Performance of a Prototype Baited-trap in Attracting and Infecting the Tick Amblyomma variegatum (Acari: Ixodidae) in Field Experiments |
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Authors: | R O Maranga A Hassanali G P Kaaya J M Mueke |
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Institution: | (1) Department of Zoology, Jomo Kenyatta University of Agriculture and Technology, P.O Box 62000, Nairobi, Kenya;(2) The International Centre of Insect Physiology and Ecology (ICIPE), P.O Box 30772, Nairobi, Kenya;(3) Department of Biology, University of Namibia, Private Bag 13301, Windhoek, Namibia;(4) Department of Biological Sciences, Kenyatta University, P.O Box 43844, Nairobi, Kenya |
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Abstract: | Investigations were commenced to study the potential use of the fungi, Beauveria bassiana, Metarhizium anisopliae, and the attraction-aggregation-attachment pheromone (AAAP) for the control of Ambloyomma variegatum as an environmentally friendly technology. The objective of the study was to develop and test a device, which could be used
for pheromone and carbon dioxide delivery and infection of ticks with the fungi in an attempt to control the tick populations
in the vegetation. Using a pheromone-baited device treated with the fungi mixture, 79% of the ticks released were attracted
and exposed to the fungi and of these, 78% died during incubation in the laboratory. In another set of experiments, of the
released ticks that were similarly exposed to fungi using the pheromone-baited device and left in the vegetation, 33.8% were
recovered compared to recoveries of between 76 and 84% in the controls. These results were significantly different at the
5% level, an indication that the pheromone/fungi mixtures had significant effect in reducing the tick population in the field. |
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Keywords: | Attraction-aggregation-attachment pheromone Fungi Vegetation |
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