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Cortez M. R., Emperaire Laure, Piccinali R. V., Gurtler R. E., Torricob F., Jansen A. M., Noireau François. Sylvatic Triatoma infestans (Reduviidae, Triatominae) in the Andean valleys of Bolivia. Acta Tropica, 2007, 102 (1), p. 47-54. ISSN 0001-706X

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Lien direct chez l'éditeur doi:10.1016/j.actatropica.2007.02.014

TitreSylvatic Triatoma infestans (Reduviidae, Triatominae) in the Andean valleys of Bolivia
Année de publication2007
Type de documentArticle référencé dans le Web of Science : 000247774400006
AuteursCortez M. R., Emperaire Laure, Piccinali R. V., Gurtler R. E., Torricob F., Jansen A. M., Noireau François.
SourceActa Tropica, 2007, 102 (1), p. 47-54. ISSN 0001-706X
RésuméTriatoma infestans is the main vector of Chagas disease in the Southern Cone countries. Wild populations of T. infestans appear widespread throughout the Andean valleys of Bolivia. In Cotapachi (2750 m asl), all sorts of rocky outcrops, regardless of their size. provided good refuges for T. infestans. Of the 1120 ecotopes investigated, 330 (29.5%) contained triatomines and 92% of the collected insects were nymphal instars. In the cold season, triatomine densities were similar in small and large outcrops. During the hot season. bug densities were higher in the larger outcrops, particularly in those located in peridomestic sites. T. infestans populations apparently produced one generation per year. Over half the sampled bugs were positive for T. cruzi infection. At Mataral (1750 m asl), a site located in the inter-Andean Chaco, a new morph of T. infestans was detected in a sylvatic environment.
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