Especies y distribución geográfica de los subgéneros de Simulium (Diptera: Simuliidae) en Costa Rica

• Vargas V, Mario ^[1] ; Vargas C., Jorge V ^[2]
  1. [1] Universidad de Costa Rica

     Universidad de Costa Rica

     Hospital, Costa Rica

     
  2. [2] Laboratorio Clínico, Hospital de Golfito, C.C.S.S.,Golfito
• Localización: Revista de Biología Tropical, ISSN 0034-7744, Vol. 45, Nº. 3, 1997 (Ejemplar dedicado a: Volume 45 – Regular number 3 – September 1997; 971–977)
• Idioma: español
• Títulos paralelos:
  • Especies y distribución geográfica de los subgéneros de Simulium (Diptera: Simuliidae) en Costa Rica
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• Resumen
  • español

    Ninety eight streams, 50 located in the Central Valley and 48 in the Atlantic and Pacific lowlands of Costa Rica, were surveyed monthly during the first year and binlonthly the second year (July 1968-June 1970). The specimens (larvae and pupae) were preserved in 85% alcohol and mature pupae were placed in a humid chamber to obtain the adults. Immature blackflies were collected. subgenera of Simulium (Díptera: Simulüdae). In the following, those marked with asterisk are first records for Costa Rica. S. panamense was the most common species, followed by S. metallicum, S. sambont. S. pseudocallidum*. S. puigi*, S. lewisiAutzianum*,S. travisi,  S. callidum. S. ochraceum*, S. gonzalezt. S. quadrivittatum and S. clark.i*. In 88 of these streams, at least one species of Simulium were found. in 29, one species. in 33 two species, in 17 three species, in 5, four species, in 3, five species and in one, six species. There is a wide distribution of S. metallicum (38 streams) and S. ochraceum was found in five streams: both species ¡;:re considered the main vectors of Onchocerca volvulus in Central America. and S. callidu"" S. pseudocallidum and S. quadrivittatum as secondary vectors of such filarla.

  • English

    Ninety eight streams, 50 located in the Central Valley and 48 in the Atlantic and Pacific lowlands of Costa Rica, were surveyed monthly during the first year and binlonthly the second year (July 1968-June 1970). The specimens (larvae and pupae) were preserved in 85% alcohol and mature pupae were placed in a humid chamber to obtain the adults. Immature blackflies were collected. subgenera of Simulium (Díptera: Simulüdae). In the following, those marked with asterisk are first records for Costa Rica. S. panamense was the most common species, followed by S. metallicum, S. sambont. S. pseudocallidum*. S. puigi*, S. lewisiAutzianum*, S. callidum. S. travisi, S. ochraceum*, S. gonzalezt. S. quadrivittatum and S. clark.i*. In 88 of these streams, at least one species of Simulium were found. in 29, one species. in 33 two species, in 17 three species, in 5, four species, in 3, five species and in one, six species. There is a wide distribution of S. metallicum (38 streams) and S. ochraceum was found in five streams: both species ¡;:re considered the main vectors of Onchocerca volvulus in Central America. and S. callidu"" S. pseudocallidum and S. quadrivittatum as secondary vectors of such filarla.