| relative contribution of monooxygenase and esterase to pyrethroid resistance in triatoma infestans (hemiptera: reduviidae) from argentina and bolivia. | recently, high resistance to pyrethroid insecticides has been associated with ineffective field treatments against triatoma infestans (klug) (hemiptera: reduviidae) in northern argentina. samples were collected from two areas in argentina (salta and la rioja) and one are in bolivia (yacuiba), and they were subjected to toxicological and biochemical assays. all populations were resistant to deltamethrin, but they showed different profiles to nonpyrethroid insecticides. the salta population showed ... | 2008 | 18402146 |
| short report: variation in mitochondrial 12s and 16s ribosomal dna sequences in natural populations of triatoma infestans (hemiptera: reduviidae). | mitochondrial dna sequences of the 12s and 16s ribosomal rna genes were analyzed in five natural populations of the chagas' disease vector triatoma infestans from argentina. dna sequence comparisons of 878 basepairs (12s plus 16s) revealed 13 haplotypes. a total of 10 private haplotypes were found in four of the populations analyzed, suggesting low current levels of genetic exchange. the levels of genetic differentiation between the population of chancaní (córdoba) and other two of the populatio ... | 2003 | 12887028 |
| field trials of an improved cost-effective device for detecting peridomestic populations of triatoma infestans (hemiptera: reduviidae) in rural argentina. | an improved device for detecting peridomestic triatoma infestans consisting of one-liter recycled tetra brik milk boxes with a central structure was tested using a matched-pair study design in two rural areas in argentina. in olta (la rioja), the boxes were installed beneath the thatched roofs and on the vertical wooden posts of each peridomestic structure. after a 5-month exposure, at least one of the recovered boxes detected 88% of the 24 t. infestans-positive sites, and 86% of the 7 negative ... | 2002 | 12471423 |