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| Bertolaccini,Isabel; Sánchez,Daniel E.; Arregui,María C.; Favaro,Juan C.; Theiler,Natalia. |
| Mortality of Plutella xylostella (Lepidoptera, Plutellidae) by parasitoids in the Province of Santa Fe, Argentina. Plutella xylostella (Linnaeus, 1758) (Lepidoptera, Plutellidae) larvae cause severe economic damage on cabbage, Brassica oleracea L. variety capitata (Brassicaceae), in the horticultural fields in the Province of Santa Fe, Argentina. Overuse of broad spectrum insecticides affects the action of natural enemies of this insect on cabbage. The objectives of this work were to identify the parasitoids of P. xylostella and to determine their influence on larva and pupa mortality. Weekly collections of larvae and pupae were randomly conducted in cabbage crops during spring 2006 and 2007. The immature forms collected were classified according to their... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Brassica oleracea cv. capitata; Cotesia plutellae; Diadegma insulare; Diamondback moth (DBM); Oomyzus sokolowskii. |
| Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262011000300025 |
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| Bertolaccini,Isabel; Bouzo,Carlos; Larsen,Nicholas; Favaro,Juan C.. |
| Los maíces dulces Bt son atacados por especies del género Euxesta Loew, antes consideradas como plagas secundarias, lo que provoca daños severos en los maíces dulces del cinturón hortícola santafesino. Se han identificado dos especies del género, E. mazorca Steykal y E. eluta Loew, que aparecen en forma simultánea y causan severas pérdidas. En los ataques, las larvas comienzan a dañar los estigmas, luego se produce el vaciado de los granos, especialmente los apicales, aunque el daño pueden extenderse a toda la espiga. La acción de estas larvas constituye además una vía de ingreso de microorganismos saprofíticos, lo que se traduce en la pérdida del producto e impide su comercialización para consumo directo. El género Dettmeria Borgmeier (Hymenoptera:... |
| Tipo: Info:eu-repo/semantics/report |
Palavras-chave: Maíz; Bt; Plagas; Euxesta; Dettmeria. |
| Ano: 2010 |
URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0373-56802010000100012 |
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| Bertolaccini,Isabel; Núñez-Pérez,Etelvina; Tizado,Emilio Jorge. |
| The study was done during the spring, summer and fall of 1998 and 1999. Samples were taken at random from legume crops and spontaneous plants adjacent to them in the province of León (Spain). Observations were made on the following crops: Medicago sativa, Phaseolus vulgaris, Pisum sativum, Cicer arietinum, Trifolium repens, Vicia fava, Trifolium pratense, Vicia ervilia, Lathyrus cicera, Lathyrus sativus, Trigonella foenum-graecum, Lupinus albus, Lupinus angustifolius and Lens esculenta. Twenty three families of spontaneous plants were observed. The aphid species and their population densities on the spontaneous plants and crop plants were recorded, as was the presence of members of the families Coccinellidae, Syrphidae and Chrysopidae. The plant families... |
| Tipo: Journal article |
Palavras-chave: Biodiversity; Chrysopidae; Coccinellidae; Fabaceae; Spontaneous plants; Syrphidae. |
| Ano: 2011 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202011000200009 |
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