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The number of families of Triatoma dimidiata in a Guatemalan house

DOI: 10.1590/S0074-02762007005000001

Keywords: triatoma dimidiata, polyandry, siblings.

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triatoma dimidiata is an important vector of chagas disease in guatemala. to help understand the biology and population dynamics of the insect, we estimated the number of full sibling families living in one house. forty one families with an average size of 2.17 individuals were detected using random amplification of polymorphic dna-polymerase chain reaction genetic markers. this result suggests high levels of migration of the vector, polyandry, and a significant capability for spreading the disease.


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