| smallness of the panmictic unit of triatoma infestans (hemiptera: reduviidae). | the population genetic structure of triatoma infestans (klug), the principal vector of the causative agent of chagas disease in bolivia, was investigated by enzyme electrophoresis at 15 loci, of which 3 were polymorphic. a total of 1,286 adults and nymphs was collected from 19 localities of the cochabamba (high endemicity) and la paz (low endemicity) departments. previous results were confirmed, including a low level of polymorphism (0.20), low genetic distance between geographic areas, and a po ... | 1998 | 9835679 |
| adult and nymphs of microtriatoma trinidadensis (lent, 1951) (hemiptera: reduviidae) caught from peridomestic environment in bolivia. | this is the first report of adult and nymphs (20 nymphs of all stages and 4 adults) of microtriatoma trinidadensis (lent 1951) (hemiptera: reduviidae: triatominae) collected in peridomestic environment, in the department of la paz, bolivia. these specimens were associated to rhodnius stali lent, jurberg & galvão 1993. the exceptional finding of m. trinidadensis in peridomestic environment, illustrates the general tendency of triatominae to adapt to human dwellings and dependences. | 2001 | 11685250 |
| new insights on the chagas disease main vector triatoma infestans (reduviidae, triatominae) brought by the genetic analysis of bolivian sylvatic populations. | triatoma infestans is the main and most widespread vector of chagas disease in south america. for the first time, a large sample of sylvatic populations of t. infestans was analyzed by its-2 and mtcytb sequencing. its-2 showed a low level of polymorphism but revealed a dichotomy between the andean and non-andean sylvatic populations. on the contrary, mtcytb sequences showed a high polymorphism (19 haplotypes determined by 35 variable sites) revealing a strong structuring between most of the sylv ... | 2011 | 21463708 |
| first report of widespread wild populations of triatoma infestans (reduviidae, triatominae) in the valleys of la paz, bolivia. | wild populations of triatoma infestans, the main vector of chagas disease in the southern cone countries, may be involved in reinfestation of human dwellings, limiting the success of vector-control campaigns in bolivia. knowledge of the distribution of these populations remains incomplete. we report here the detection of t. infestans wild populations in large areas in the department of la paz, bolivia. among 18 sylvatic areas investigated, 17 were positive with t. infestans specimens. the infect ... | 2010 | 20348501 |
| domiciliation process of rhodnius stali (hemiptera: reduviidae) in alto beni, la paz, bolivia. | we report a systematic collection of triatominae inside houses and in the peridomestic environment of alto beni, department of la paz, bolivia. this area is free of triatoma infestans and although we detected previously seropositivity for trypanosoma cruzi, the alto beni region is not officially considered as endemic for chagas disease. from 11 houses of five localities, we collected adults, nymphs and eggs of a rhodnius species, which was confirmed by morphological and morphometric analysis as ... | 2003 | 12631318 |