Publications

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flagellate infections of brazilian sand flies (diptera: psychodidae): isolation in vitro and biochemical identification of endotrypanum and leishmania.flagellate infections were found in 1,063 of 18,895 sand flies collected in the states of amazonas, pará, rondonia and acre, brazil. infection rates were 13.4% (species group shannoni); 7.5% (subgenus nyssomyia); 6.7% (subgenus lutzomyia series cruciata); 0.5% (genus psychodopygus) and 3.1% for other sand flies (various subgenera). leishmania braziliensis guyanensis and l. mexicana amazonensis were isolated, respectively, from the known vectors, lutzomyia umbratilis and l. flaviscutellata. singl ...19853938924
a pilot study to control lutzomyia umbratilis (diptera:psychodidae), the major vector of leishmania braziliensis guyanensis, in a peri-urban rainforest of manaus, amazonas state, brazil.in the second half of 1980, 112 (or ca. 16%) of the inhabitants of the new settlement of são josé, city of manaus, contracted cutaneous leishmaniasis whilst clearing their properties of terra firme rainforest. with the aid of sucam, the authors carried out a pilot study to investigate the feasibility of reducing populations of lutzomyia umbratilis, the local silvatic vector of leishmania braziliensis guyanensis, by spraying insecticide on its favoured diurnal resting sites, the bases of the larg ...19854088044
hosts of sandfly vectors of leishmania braziliensis guyanensis in the central amazon of brazil.the blood meals of 2,569 phlebotomine sandflies from areas endemic for cutaneous leishmaniasis in the central amazon of brazil were tested by the microcapillary precipitin method to determine their vertebrate hosts. the two-toed sloth, choloepus didactylus, was the predominant host of two incriminated vectors of leishmania braziliensis guyanensis in the region, lutzomyia umbratilis and lu. anduzei (64.0% and 63.6%, respectively). the lu. "shannoni" group, a complex of several species in which fe ...19827072886
the opossum, didelphis marsupialis (marsupialia: didelphidae), as a reservoir host of leishmania braziliensis guyanensis in the amazon basin of brazil.a total of 52 opossums (six species) were examined for evidence of infection with leishmania in three different areas of forest near manaus, amazonas state, brazil. no infections were detected in 27 opossums from a region of relatively undisturbed forest, including specimens of didelphis marsupialis (18); metachirus nudicaudatus (four); monodelphis brevicaudata (one); marmosa cinerea (two); m. murina (one) and m. parvidens (one). of 15 d. marsupialis captured from a biological reserve, much dist ...19817324129
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