Volume 73, Issue 2
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645


The Triatiominae (Hemiptera: Reduviidae) are hematophagous hemipters of importance because they transmit , the causal agent of Chagas disease. The aim of this study was to define the possible relationships between species of the Phyllosoma complex ( and ) and species of other complexes present in Mexico that have not been previously analyzed ( and ). In addition, it was determined the inclusion of in the Phyllosoma complex by using 10 isoenzymatic systems (corresponding to the 14 loci). Results of isoenzymatic study show that between the species of the Phyllosoma complex including the polymorphism of the analyzed enzymes ranges from 14% to 50% ( ≤ 0.95) and the species from external complexes showed polymorphism values of 43% (, 43% (), and 36% (). The genetic tree shows a clear difference between species of the Phyllosoma complex and the other complexes.


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  • Received : 26 Aug 2004
  • Accepted : 16 Mar 2005

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