Publications

wild habitat and related fauna of panstrongylus lutzi (reduviidae, triatominae).	although panstrongylus lutzi (neiva and pinto) is currently the fifth most frequent species of triatominae captured in artificial structures in brazil, its silvatic habitat remains unknown. a survey of its natural ecotopes was performed in an area of bahia state. p. lutzi nymphal instars and adults were detected in burrows of dasypodidae. silvatic habitat of four other endemic triatomine species of the caatinga (triatoma pseudomaculata correa and espinola, triatoma brasiliensis neiva, rhodnius n ...	2003	14765681
epidemiology of chagas disease in jaguaruana, ceará, brazil. i. presence of triatomines and index of trypanosoma cruzi infection in four localities of a rural area.	in order to assay the triatomine infestation and domiciliation in the rural area of jaguaruana district, state of ceará, brazil, we studied, from november 2000 to april 2002, 4 localities comprising 158 domiciles as a whole, with an average of 4 inhabitants/house, who are dwelling in there for more than 7 years. most houses have tile-covered roofs and the walls built with plaster-covered bricks (57%), followed by bricks without plaster (33%), and mud walls (7.5%). a total of 3082 triatomines wer ...	2004	15273797
[occurrence of panstrongylus lutzi, in peridomiciliary areas, state of ceará, brazil].	from january 2001 to october 2002 captures were made in domicile and peridomiciliary areas of 13 cities of region of cariri, south of the state of ceará. as results, the occurrence of p. lutzi in this area was noticed, for the first time, in three cities: the presence of one adult in chicken house in altaneira, one adult flying, in salitre and 18 nymphs in varzea alegre(13 in bricks pile and five in roofing tile pile). in varzea alegre city it was observed the colonization in the peridomicile.	2004	15311300
occurrence and variability of panstrongylus lutzi in the state of ceará, brazil.	panstrongylus lutzi is generally restricted to the "caatinga" areas of north-eastern brazil. adult insects are frequently found in local houses, but colonies have not previously been registered in the statistics of the control programme of chagas disease. in ceará state, our study revealed increasing occurrence of this species, usually with high infection rates for trypanosoma cruzi, and always represented by adults that invaded the artificial environment. we also found nymphs in the peridomicil ...	2005	16172758
aspects of peridomiciliary ecotopes in rural areas of northeastern brazil associated to triatomine (hemiptera, reduviidae) infestation, vectors of chagas disease.	artificial ecotopes of 121 peridomiciliary environments in four rural localities in the state of ceará, brazil, were studied and the type of material of the ecotopes was identified as triatomine infestation. two thousand two hundred and four triatoma brasiliensis neiva, 340 triatoma pseudomaculata corrêa and espínola, 121 rhodnius nasutus stall, and 5 panstrongylus lutzi (neiva and pinto) were captured. out of the 323 ecotopes found (x = 2.0 +/- 1.8 per dwelling) - such as pigpens, henhouses, co ...	2006	16830706
[feeding sources evaluation of panstrongylus lutzi (neiva & pinto, 1923) (hemiptera: reduviidae: triatominae) in the state of ceará].	the authors used precipitin technique to detect the feeding sources of panstrongylus lutzi (neiva & pinto, 1923) in 20 municipalities of ceará state, brazil. the results detected the presence of blood from eight different blood sources and mixed feedings, demonstrating that panstrongylus lutzi is an eclectic species. high infection rates for trypanosoma like-cruzi were detected.	2006	17119749
[the control of vectorial transmission].	between 1950 and 1951, the first prophylactic campaign against chagas diseases was carried on in brazil by the so existing serviço nacional de malária. the actions involving chemical vector control comprehended 74 municipalities along the rio grande valley, between the states of são paulo and minas gerais. ever since, until 1975, the activities were performed according the availability of resources, being executed with more or less regularity and coverage. at that time, chagas disease did no rep ...	2011	21584358
synanthropic triatomines (hemiptera, reduviidae) in the state of pernambuco, brazil: geographical distribution and natural trypanosoma infection rates between 2006 and 2007.	the present study shows a descriptive analysis of triatomine occurrence and its natural trypanosoma infection rates in the state of pernambuco, brazil, between 2006 and 2007.	2012	22370830
homogeneity of trypanosoma cruzi i, ii, and iii populations and the overlap of wild and domestic transmission cycles by triatoma brasiliensis in northeastern brazil.	the genetic variability of 24 trypanosoma cruzi isolates from humans (11) and triatomines (13) in northeastern brazil was analyzed by random amplified polymorphic dna (rapd) and compared with taxonomic groups, host, and geographical origin of the parasite. tci (12.5%), tcii (45.8%), and tciii (41.6%) showed a similarity coefficient (sc) of 0.74 using the mean of three primers and 0.80, 0.75, and 0.66 for λgt11-f, m13-40f, and l15996 primers, respectively. the samples were clustered according to ...	2013	23371496
distribution of constitutive heterochromatin in triatoma melanocephala (hemiptera, triatominae).	in principle, triatoma melanocephala was included in the brasiliensis subcomplex on the basis of morphological parameters and geographical layout, since there were no other relevant data available in the literature. on the basis of karyotype, it has been proposed to exclude t. melanocephala, as well as of t. vitticeps and t. tibiamaculata, from the subcomplex, which shows fragmentation of the x sex chromosomes, thereby approaching the species of north america. therefore, the present study aimed ...	2014	25299104
trypanosoma cruzi iii causing the indeterminate form of chagas disease in a semi-arid region of brazil.	trypanosoma cruzi is subdivided into six discrete typing units (dtus), tci-tcvi. the precise identification of each can contribute to tracking wild dtus that invade the domiciliary environment.	2015	26327123
chagas disease and housing improvement in northeastern brazil: a cross-sectional survey.	chagas disease was investigated in two new settlements of landless rural workers inhabiting prefabricated, triatomine-proof houses and in four neighboring older communities where mud huts were still well suitable for vectors. through a cross-sectional survey and entomological assessment, we surveyed 148 houses/families in the two new settlements and in 47 houses/families in the four older localities. we determined seroprevalence of chagas disease through ifi and elisa (eluates) assays and search ...	2015	25673077
species of the subfamily triatominae jeannel, 1919 (hemiptera: reduviidae) present in the collection of chagas disease vectors (fiocruz-colvec), state of minas gerais.	biological collections are depositories of information on different species and contribute to the knowledge, protection, conservation and maintenance of biodiversity.	2015	25626652
new sex-determination system in the genus panstrongylus (hemiptera: reduviidae) revealed by chromosomal analysis of panstrongylus lutzi.	panstrongylus lutzi (neiva & pinto, 1923) is a triatomine species native to caatinga habitats in north-eastern brazil. it is considered an important vector of chagas disease in this region, presenting high rates of natural infection with trypanosoma cruzi chagas, 1909, and readily invading houses by flight. this study describes a previously unknown chromosomal sex system in the genus panstrongylus based on p. lutzi.	2016	27209318
characteristics of triatomine infestation and natural trypanosoma cruzi infection in the state of rio grande do norte, brazil.	introduction natural and artificial ecotope infestation by the kissing bug triatomines and their colonization and infection by trypanosoma cruzi , the chagas disease agent, were evaluated in nine municipalities of the state of rio grande do norte, brazil. methods following identification, triatomine intestinal contents were analyzed by direct microscopic examination, xenoculture, and polymerase chain reaction (pcr) for parasite detection. trypanosoma cruzi isolates were genotyped using three dif ...	2016	27163565
karyosystematic and karyotype evolution of panstrongylus lutzi (neiva & pinto, 1923) (hemiptera, triatominae).		2017	28562784
description of the feeding preferences of triatominae in the chagas disease surveillance study for the state of pernambuco, brazil (hemiptera: reduviidae).	studying the feeding preferences of triatomines is an important entomological surveillance tool, since continuous surveillance of the disease is necessary.	2017	28954078
community-based entomological surveillance reveals urban foci of chagas disease vectors in sobral, state of ceará, northeastern brazil.	the aim of this work was to explore the potential risk of vector-borne chagas disease in urban districts in northeastern brazil, by analyzing the spatiotemporal distributions and natural infection rates with trypanosoma cruzi of triatomine species captured in recent years. the main motivation of this work was an acute human case of chagas disease reported in 2008 in the municipality of sobral.	2017	28103294
development of conventional and real-time multiplex pcr-based assays for estimation of natural infection rates and trypanosoma cruzi load in triatomine vectors.	chagas disease is a complex anthropozoonosis with distinct domestic and sylvatic mammal species acting as potential reservoirs. the diversity of vector species and their habitats are among the factors that hinder the control of the disease. control programs periodically monitor the prevalence of t. cruzi infection in insect bugs through microscopical observation of diluted feces. however, microscopy presents limited sensitivity in samples with low parasite numbers, difficulties in examining all ...	2017	28851417