991 resultados para Ayacucho, Battle of, Peru, 1824.
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v.39:no.7(1957)
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v.44:no.14(1962)
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n.s. no.21(1984)
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v.35:no.5(1958)
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A new species of Culicoides of the subgenus Mataemyia Vargas, Culicoides huaynacapaci Felippe-Bauer, is described and illustrated based on female and male specimens collected biting humans in Department of Cajamarca, in Peruvian Amazonia. The new species is compared with its similar congener C. albuquerquei Wirth & Blanton.
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v.10:no.5(1947)
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n.s. no.101(2003)
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n.s. no.29(1997)
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Descriptions of a genus and two new species of Sarcophagidae from Peru.
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Phyllodistomum rhamdiae n. sp. is described based on specimens collected from the urinary bladder of freshwater catfishes, Rhmdia quelen, caught from the Guandu river, outskirts of Rio de Janeiro, State of Rio de Janeiro, Brazil. The new species is characterized by its sucker width ratio equal to 1:1, by the large size of the gonads and their spatial arrangement.
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Lutzomyia sipani n.sp. is described from males collected in Loreto Department, Peru. The new species belongs to the subgenus Evandromyia mangabeira and confirms the presence of this group in Peru.
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Warileya lumbrerasi n. sp. is described from the northern Peruvian Andes. This species was collected inside houses, and is the seventh species described within the genus Warileya Hertig, 1948.
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The genetic variability of Triatoma infestans and Trypanosoma cruzi populations was studied by isoenzyme analysis in two distinct areas of Arequipa province (Peru); one, Santa Rita de Siguas, being an endemic area for Chagas' disease, the second, Arequipa, recently infected. Analysis of T. infestans genetic variability indicates, (i) temporal stability of genotypes found in Santa Rita de Siguas, (ii) high genetic differences between Arequipa and Santa Rita de Siguas populations suggesting minor contact between them, (iii) multiple origin of the T. infestans population in Arequipa, and (iv) poor dispersal capacity of T. infestans: the panmictic unit could be reduce to a house. Parasite isoenzyme analysis was performed in 29 Peruvian stocks of T. cruzi, mainly isolated from bugs taken in a single locality, Santa Rita de Siguas. The results show, (i) a high genetic polymorphism, (ii) nine different multilocus genotypes were detected and clustered in two different clades, (iii) most of the parasite isolates pertained to one of the clade and were genetically similar to those analyzed 12 years before. This sample allowed the study of the mating system of T. cruzi in strict sympatic conditions and gave more strength to the hypothesis of the clonal structure of T. cruzi populations
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We report here the reappearence of Aedes aegypti in the Rimac district, and summarize the history of this mosquito species in Peru since its first detection in 1852. On March 17 2000 were found Ae. aegypti and Culex quinquefasciatus in Mariscal Castilla town, Flor de Amancaes, San Juan de Amancaes, El Altillo and Santa Rosa in the Rimac district, Lima Province.