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DIVERSIDAD DE INSECTOS MINADORES DE HOJAS Y FORMADORES DE AGALLAS EN EL DOSEL Y SOTOBOSQUE DEL BOSQUE TROPICAL

Acta Zoologica (Impact Factor: 1.47). 01/2003; 89:153-168.
Source: DOAJ

ABSTRACT RESUMEN Con el proposito de estimar en que estrato del bosque tropical ocurre mayor diversidad de especies de insectos formadores de agallas y minadores de hojas, se realizaron muestreos desde marzo de 1997 a mayo de 1998 en dos bosques de la República de Panamá (Parque Natural Metropolitano y Fuerte Sherman). Nuestros resultados indican que en el dosel de ambos bosques existe mayor riqueza de insectos formadores de agallas y minadores de hojas que en el sotobosque, siendo la proporción de especies de estos dos grupos en el dosel y sotobosque de 2:1 respectivamente. El índice alfa de Fisher indica que los dos grupos de insectos son más diversos en el dosel de los dos bosques que en el sotobosque, siendo el dosel del Fuerte Sherman donde ocurre mayor abundancia de algunas morfoespecies. Palabras Claves: diversidad, dosel, insecto formador de agalla, insecto minador de hoja, Panamá, riqueza de especies, sotobosque. ABSTRACT To estimating in which layer of the tropical forest occurs the highest diversity of species of insect gall-makers and leaf miners, a survey was performed from March 1997 to May 1998 in two forests of the Republic of Panama (Parque Natural Metropolitano and Fuerte Sherman). Our results indicate that the canopy of tropical forest supports a higher species richness of insect gall-maker and leaf miners than the understorey. The proportion of species of both of these groups in the canopy and understorey is 2:1, respectively. The Fisher index alpha indicates that both groups of insects are more diverse in the canopy that in the understorey, the canopy of Fuerte Sherman being where the highest abundance of some morphospecies occurs.

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