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Neotrop. entomol ; 37(4): 436-448, July-Aug. 2008. graf, tab
Article in Spanish | LILACS | ID: lil-492706

ABSTRACT

Se realizó un estudio durante los años 2002, 2003 y 2004, con el fin de determinar la composición, la abundancia, riqueza, diversidad, equidad, ocurrencia y fluctuación temporal de las especies de saltahojas en tres zonas productoras de café de Costa Rica. Se utilizaron trampas amarillas pegajosas para clasificar y cuantificar el número de saltahojas adultos durante el período de muestreo. Se encontró un total de 82.500 individuos, pertenecientes a 139 especies ubicadas dentro de nueve subfamilias. San Isidro de León Cortés presentó la mayor diversidad entre los sitios estudiados. Veinticinco especies se encontraron frecuentemente en al menos uno de los sitios muestreados, y solamente Coelidiana sp.1, Osbornellus sp.1, Scaphytopius sp.1 y Empoasca sp. se capturaron a lo largo de todo el período de estudio. La fluctuación temporal de los taxa que comprenden los principales vectores de X. fastidiosa Wells et al. mostró diferencias entre las zonas estudiadas.


A survey was conducted during 2002, 2003 and 2004 to determine the leafhopper species composition, abundance, richness, diversity, evenness, occurrence and flight activity among three coffee production zones of Costa Rica. Yellow sticky traps were used to qualify and quantify the number of aerial leafhoppers during the sampling period. A total of 82,500 individuals, belonging to 139 species within nine leafhopper subfamilies, were trapped. San Isidro de León Cortés site presented the highest diversity from the three surveyed sites. Twenty five species were frequently trapped at least in one of the studied zones, and only Coelidiana sp.1, Osbornellus sp.1, Scaphytopius sp.1 and Empoasca sp. were trapped throughout the sampling period. The flight activity of the taxa that contain the main vectors of Xylella fastidiosa Wells et al. showed differences among the sampling zones.


Subject(s)
Animals , Coffee , Hemiptera/classification , Costa Rica , Coffee/microbiology , Coffee/parasitology , Crops, Agricultural/microbiology , Crops, Agricultural/parasitology , Flight, Animal , Hemiptera/microbiology , Population Density , Plant Diseases/microbiology , Plant Diseases/parasitology , Species Specificity , Xylella
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