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76.162  Articles
1 of 7.617 pages  |  10  records  |  more records»
Oviposition preferences by Copitarsia decolora (Guenée) (Lepidoptera: Noctuidae) were studied by counting individual eggs on and around the host plant. The females deposited significantly more eggs on the soil around the cabbage plant than on the plant. O... see more

The effects of male age and mating status on the behavioral response of Copitarsia decolora (Guenée) males to the glandular extract of the female sex pheromone were studied by conducting wind tunnel bioassays and electroantennography (EAG). To study the e... see more

This paper describes the anatomy of the female reproductive system of the agave weevil, Scyphophorus acupunctatus Gyllenhall (Coleoptera: Dryophthoridae). This insect is considered a primary pest of agave (Agave spp.) (Asparagaceae) and tuberose (Polianth... see more

AbstractIn this study we assessed the effect of pre-exposure to host sex pheromones and plant volatiles on the response of virgin males and mated females of Copitarsia decolora (Guenée) (Lepidoptera: Noctuidae), by using glandular extracts of virgin femal... see more

In addition to the major component, 2-methyl-6-vinylpyrazine, 2,5-dimethyl-3-vinylpyrazine was collected as a minor component from calling male papaya fruit flies Toxotrypana curvicauda Gerstaecker (Diptera: Tephritidae). Volatile chemicals emitted by cal... see more

Antennal morphology and funicular sensilla of male and female papaya fruit fly, Toxotrypana curvicauda Gerstaecker, were studied with light microscopy and scanning electron microscopy. Antennae were 3-segmented, consisting of a scape, a pedicel, a flagell... see more

Vínculo universidad–sociedad: grupos vulnerables a la discriminación por discapacidad en EcuadorDra. C. María Caridad Bestard González, Dr. C. Juan Eligio López García Procesos y factores claves de la gestión del conocimientoMSc. Daylin Medina Noguei... see more

Este artículo presenta una revisión de los arreglos de gobernanza ambiental de los pagos por servicios ambientales (psa) en América Latina identificando los actores, marcos normativos y las instituciones que sustentan su instrumentación. Describir los arr... see more

Recibido: 15 de abril  del 2019Aprobado: 1 de junio del 2019 La presente investigación tiene por objetivo analizar los sistemas normativos locales de uso y acceso al agua en la Comarca Lagunera, contemplando las modificaciónes al Artículo 27 Con... see more

1 of 7.617 pages  |  10  records  |  more records»