Agricultural and Forest Entomology (2006) 8, 17-23

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F.C. Pagnocca, S.R. Victor, F.C. Bueno, F.R. Crisóstomo, T.C. Castral, J.B. Fernandes, A.G. Corrêa, O.C. Bueno, M. Bacci, M.J.A. Hebling, P.C. Vieira and M.F.G.F. da Silva (2006)
Synthetic amides toxic to the leaf-cutting ant Atta sexdens rubropilosa L. and its symbiotic fungus
Agricultural and Forest Entomology 8 (1), 17-23
Abstract: 1. Nine synthetic amides similar to natural N-piperidine-3-(4,5-methylenedioxyphenyl)-2-(E)-propenamide and N-pyrrolidine-3-(4,5-methylenedyoxiphenyl)-2-(E)-propenamide were synthesized and identified by their spectroscopic data.
2. The toxicity of these synthetic amides to the Atta sexdens rubropilosa workers and the antifungal activity against Leucoagaricus gongylophorus, the symbiotic fungus of the leaf-cutting ants, were determined.
3. Workers ants that were fed daily on an artificial diet to which these compounds were added had a higher mortality rate than the controls for N-pyrrolidine-3-(3',4'-methylenedioxyphenyl)-2-(E)-propenamide and N-benzyl-3-(3',4'-methylenedioxyphenyl)-2-(E)-propenamide at a concentration of 100 µg/mL.
4. The completely inhibition (100%) of the fungal growth was observed with N-piperidine-3-(3',4'-methylenedioxyphenyl)-2-(E)-propenamide and N,N-diethyl-3-(3',4'-methylenedioxyphenyl)-2-(E)-propenamide at concentrations of 50 and 100 µg/mL and N-pirrolidine-3-(3',4'-methylenedioxyphenyl)-2-(E)-propenamide at a concentration of 100 µg/mL.
5. The possibility of controlling these insects in the future using synthetic piperamides that can simultaneously target both organisms is discussed.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
Link to article at publishers website
Database assignments for author(s): Fernando C. Pagnocca, Odair Correa Bueno, João B. Fernandes, Maria José A. Hebling

Research topic(s) for pests/diseases/weeds:
control - general

Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.


Atta sexdens
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