Examinando por Autor "Constantino, Luis Miguel"

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  • Miniatura
    PublicaciónAcceso abierto
    Abundancia, distribución y diversidad de mariposas (Lep. Rophalocera) en el río Tatambro, Buenaventura (Valle-Colombia).
    (2013-07-12) Prieto M., Aida Viviana; Constantino, Luis Miguel
    Censos visuales realizados en cuatro estados sucesionales en la zona del río Tatabro, revelaron la presencia de 15 especies en bosque primario. 19 especies en bosque secundario, 14 en borde de bosque y 25 para carretera. La mayor diversidad de especies fue para bosque secundario. El inventario realizado en la zona, durante el transcurso del año 1995, muestra una gran diversidad de mariposas aún existentes allí. Este inventario muestra 211 especies, 107 géneros agrupados en 14 subfamilias y tres familias Hesperidae, Papilionidae y Castniidae.
  • Miniatura
    PublicaciónAcceso abierto
    Predatory capacity of Cathartus quadricollis and Ahasverus advena (Coleoptera: Silvanidae) on Hypothenemus hampei (Coleoptera: Curculionidae) under laboratory conditions.
    (Universidad del Valle, 2018-12-31) Laiton J., Laura A.; Constantino, Luis Miguel; Benavides, Pablo; Sociedad Colombiana de Entomología - Socolen; Universidad del Valle; Montoya Lerma, James
    The coffee berry borer (CBB) causes economic damage and quality deterioration of coffee. CBB reproduces inside the fruit that remain after harvesting. In Colombia, native predators have been reported attacking this pest, among them the coleopterans Ahasverus advena and Cathartus quadricollis. This study, which was carried out under lab conditions at Cenicafé, was evaluated the predation of these species on CBB. Adults and larvae of the two predator species were released in ratios of 1, 3 and 5 per infested coffee bean (the treatments) in four independent bioassays. The decrease in CBB populations inside the beans after establishing treatments (the response variables) was determined. The Experimental Units consisted of 10 infested coffee grains observed over 18 days with three infesting holes inside a glass container where the four treatments were applied under a completely randomized design with ten replicates. An absolute control without predators was used for each bioassay. A. advena adults and larvae significantly decreased CBB up to 63.2 % and 42.3 % with respect to the control, presenting a higher predation capacity when three predators per grain were released. In addition, C. quadricollis decreased CBB population up to 46.2 % and 69 % when three adults and five larvae per grain were released, respectively.