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Response of the grass-cutting ant Atta capiguara Gonçalves, 1944 (Hymenoptera: Formicidae) to sugars and artificial sweeteners Scientia Agricola
Boaretto,Maria Aparecida Castellani; Forti,Luiz Carlos; Lopes,Juliane Floriano Santos; Nagamoto,Nilson Satoru; Andrade,Ana Paula Protti de; Moreira,Aldenise Alves; Viana,Anselmo Eloy Silveira; Ramos,Vânia Maria.
Using of toxic baits made of dehydrated citric pulp to control grass-cutting ants can lead to unsatisfactory results because of the low attractiveness of the substrate to worker ants. This work aimed to identify attractive substances, with potential for incorporation in a matrix of granulated baits for grass-cutting ants, among several kinds of sugars and substances used in artificial sweeteners. Experiments were carried out in mature nests of Atta capiguara (Hym.: Formicidae) set in pasture. Studied substances were sucrose, fructose, soluble starch, raffinose, maltose, lactose, sorbose, cellobiose, arabinose, xylose, glucose, galactose, rhamnose, arabinose, melezitose, saccharine and cyclamate (at 5.0% w/v). Later, on maltose, xylose, sucrose, fructose...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Attini; Myrmicinae; Grass-cutting ants; Bait.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162003000300014
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Attractiveness of copperleaf-based bait to leaf-cutting ants Ciência Rural
Nagamoto,Nilson Satoru; Barbieri,Rafael Forti; Forti,Luiz Carlos; Cardoso,Sandra Regina de Sousa; Moreira,Sinara Maria; Lopes,Juliane Floriano Santos.
Leaves of copperleaf (Acalypha spp.) are greatly accepted by leaf-cutting ants and therefore used to maintain colonies in the laboratory. In order to determine the attractive potential of granulated bait of Acalypha wilkesiana leaves versus citrus pulp, currently used in commercial baits, an evaluation was performed, by using the leaf-cutting ant Atta sexdens rubropilosa as model. The handmade non-toxic baits contained powder (90% w/w) of either citrus pulp or A. wilkesiana were offered simultaneously in the foraging arena until the total loading of one of them. Results showed that copperleaf baits are less attractive than the citrus ones, which invalidates the viability of the substitution.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Toxic bait; Acalypha wilkesiana; Euphorbiaceae; Formicidae; Leaf-cutting ant.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782011000600002
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Lack of correlation between micro fungi species and chemical control method of Atta treated with toxic baits Ciência Rural
Barbosa,Marcílio Souza; Barbosa,Suzanne Nunes; Nagamoto,Nilson Satoru; Forti,Luiz Carlos; lmeida,Cícero.
ABSTRACT: Atta sexdens rubropilosa (leaf-cutter ants) has a symbiotic association with a fungus and has a negative interaction with other fungi due to parasitism of the fungus cultivated by ants; also, there are several other fungi with no exact known role occurring in their cultivated fungus garden. In the present study, we use the ITS region (internal transcribed spacer) to identify fungi in colonies treated with toxic baits. Experiments using two toxic baits were carried out: 0.75g of sulfluramid [0.3%] and 0.75g fipronil [0.003%]. Samples of fungi were collected and cultured in Czapek medium for seven days to allow fungal growth and subsequent identification. Total DNA was isolated from 100-150 mg of mycelium using the CTAB method and using PCR, with...
Tipo: Info:eu-repo/semantics/article Palavras-chave: ITS; DNA barcoding; Leaf-cutter; Ants.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782018000500150
Registros recuperados: 3
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