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Artículo

Short and long-term effects of three neurotoxic insecticides on biological and behavioural attributes of the orb-web spider Alpaida veniliae (Araneae, Araneidae): implications for IPM programs

Benamú, Marco Antonio; Schneider, Marcela InésIcon ; Gonzalez, AldaIcon ; Sanchez, Norma ElbaIcon
Fecha de publicación: 09/2013
Editorial: Springer
Revista: Ecotoxicology
ISSN: 0963-9292
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Otros Tópicos Biológicos

Resumen

Soybean pest control in Argentina is done just by chemical control using broad-spectrum pesticides. Alpaida veniliae (Araneae, Araneidae) is one of the most abundant spider species of the orb web weaver guild in soybean, and it is considered a very important polyphagous predator, attacking different insects’ families. The objective of this study was to determine if neurotoxic insecticides commonly used in soybean crops and a new active ingredient registered in Argentina (spinosad) adversely affected survival, prey consumption, mating behaviour, web building and reproductive capacity of A. veniliae females, under standard laboratory conditions. Spinosad was the most harmful insecticide due to high acute toxicity, even at lower concentrations than those registered for its field use and for its sublethal effects also. Cypermethrin caused several sublethal effects although its acute toxicity on spider was lower than other insecticides. It reduced prey consumption, affected web building, caused abnormalities in eggs sacs and decreased drastically the fecundity and fertility at sublethal concentrations. Endosulfan did not reduce prey consumption but it affected web building, caused abnormalities in eggs sacs and egg masses, and decreased the fecundity and fertility. Spinosad was also the compound with the most drastic effect on web building, it did not reduce prey consumption and fecundity, but fertility was reduced and abnormalities in egg sacs and egg masses were observed. The use of these insecticides in IPM programs according to their potential toxicity on spider communities is discussed.
Palabras clave: Spiders , Neurotoxic Insecticides , Cypermethrin , Spinosad , Endosulfan
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info:eu-repo/semantics/restrictedAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/10241
DOI: http://dx.doi.org/10.1007/s10646-013-1102-9
URL: http://link.springer.com/article/10.1007%2Fs10646-013-1102-9
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Articulos(CEPAVE)
Articulos de CENTRO DE EST.PARASITOL.Y DE VECTORES (I)
Citación
Benamú, Marco Antonio; Schneider, Marcela Inés; Gonzalez, Alda; Sanchez, Norma Elba; Short and long-term effects of three neurotoxic insecticides on biological and behavioural attributes of the orb-web spider Alpaida veniliae (Araneae, Araneidae): implications for IPM programs; Springer; Ecotoxicology; 22; 7; 9-2013; 1155-1164
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