| [triatoma williami n. sp. (hemiptera, triatominae)]. | | 2008 | 5867981 |
| life cycle and vectorial competence of triatoma williami (galvão, souza e lima, 1965) under the influence of different blood meal sources. | triatoma williami is naturally infected by trypanosoma cruzi, the ethiological agent of chagas disease, the most significant cause of morbidity and mortality in south and central america.the possibility of domiciliation of t. williami increases the risk of human t. cruzi vetorial transmission. despite this, there is a lack of data demonstrating the bionomic aspects, the vectorial competence or the natural ecotope and the wild hosts of t. williami. this study describes for the first time the life ... | 2015 | 26056740 |
| comparative study of the stridulatorium sulcus, buccula and rostrum of nymphs of triatoma klugi carcavallo et al, triatoma vandae carcavallo et al and triatoma williami galvão et al (hemiptera: reduviidae). | ultrastructural analysis of the ventral region of the head--rostrum, buccula and stridulatorium sulcus--of 1st, 3rd and 5th instars of triatoma klugi carcavallo et al, triatoma vandae carcavallo et al, and triatoma williami galvão et al, are described in here. morphological differences in the analyzed structures for all three triatoma species studied were detected under scanning electron microscopy, allowing their grouping by their morphological similarities. species-specific differences at each ... | 2010 | 20305897 |
| [geographical distribution and indicators entomologic of sinantropic triatomines captured in the state of goiás]. | the geographic distribution of triatomines in goiás and entomological indicators in the home environment are presented: home infestation, home triatomine density and vector infection by trypanosoma cruzi. the indicators studied were from triatomines captured inside and outside homes in 201 municipalities in the state of goiás, brazil, between 2000 and 2003. a total of 249,868 home units were investigated and 51,570 triatomines were captured, and 335 specimens were found to be infected with trypa ... | 2007 | 17568889 |
| beauveria bassiana (hyphomycetes) as a possible agent for biological control of chagas disease vectors. | beauveria bassiana (balsamo) vuillemin (isolate cg306) was tested on 3rd instars of 9 triatoma spp., 4 rhodnius spp., 2 panstrongylus spp. and dipetalogaster maxima (uhler) at 25 degrees c and 50% rh. quantitative sporulation of the fungus on cadavers was studied at 25 degrees c and 97% rh. mortality, estimates of survival time, and conidial production on cadavers differed significantly among the genera and species tested. panstrongylus herreri wygodzinsky, dipetalogaster maxima, triatoma pictur ... | 1998 | 9835689 |
| [comparative morphology of eggs and nymphs of triatoma vandae carcavallo, jurberg, rocha, galvão, noireau & lent, 2002 and triatoma williami galvão, souza & lima, 1965]. | eggs and all nymphs of these species were studied employing light microscopy (lm) and scanning electron microscopy (sem). the major differences observed by lm in the eggs were related to the presence and the distribution of pores on the surface of their chorion. morphological differences among three nymphal stages (1st, 3rd, and 5th) development of each species were observed. the differential characteristics are chromatic and in the shape of connexival spots. the ultrastructure of the ventral re ... | 2005 | 16302066 |
| [triatoma williami galvão, souza e lima, 1965, captured in mato grosso. brazil, new vector of chagas disease]. | | 1972 | 4210967 |
| chromosomal characteristics and distribution of constitutive heterochromatin in the matogrossensis and rubrovaria subcomplexes. | since 1966 the triatomines were grouped in complexes and specific subcomplexes. although the complex and subcomplexes not have taxonomic importance, should be monophyletic groups and cytogenetic tools have proved to be of great importance to characterize these species groupings. based on this, this paper aims to describe the chromosomal characteristics and heterochromatic pattern of matogrossensis and rubrovaria subcomplexes, in order to contribute to the taxonomic and evolutionary relationships ... | 2015 | 25917494 |
| spermatogenesis and nucleolar behavior in triatoma vandae and triatoma williami (hemiptera, triatominae). | this study describes spermatogenesis in triatoma vandae and the nucleolar behavior of t. vandae and triatoma williami, with a cytotaxonomic focus. analysis of mitotic and meiotic metaphases of t.vandae confirms the species karyotype. t. vandae presents some characteristics during meiosis that differentiate it from t. williami, including the presence of a chromocenter with two sex chromosomes individualized during early prophase, and the presence of a bi- or tripartite corpuscle inpolyploid nucle ... | 2015 | 26505362 |