Leaf-cutting ants
Attractiveness of copperleaf-based bait to leaf-cutting ants
... 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 ...
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Isoenzyme variation in the leaf-cutting ants Acromyrmex heyeri and Acromyrmex striatus (Hymenoptera, formicidae)
... Leaf-cutting ants of the genus Acromyrmex are draw- ing increasing attention because of the damage they cause to crops. Due to the great morphological polymorphism of the species and the considerable ...
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Low variation in ribosomal DNA and internal transcribed spacers of the symbiotic fungi of leaf-cutting ants (Attini: Formicidae)
... Leaf-cutting ants of the genera Atta and Acromyrmex (tribe Attini) are symbiotic with basidiomycete fungi of the genus Leucoagaricus (tribe Leucocoprineae), which they cultivate on vegetable matter ...
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The effect of homeopathic preparations on the activity level of Acromyrmex leaf-cutting ants
... the ants as part of their agro-ecosystem and to accept their presence without unnecessary ...this leaf-cutting species dumps as a deterrent; yet, the colonies still exist (ZEH et ...reducing ...
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Energy substrate used by workers of leaf-cutting ants during nest excavation
... In leaf cutting ants, the diet is composed of soluble car- bohydrates from hyphae of the fungus garden, cultivated by the colony (Silva et al ...by ants are probably very energy ...
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AVALIAÇÃO DE SAUVEIROS EXTERNOS EM EUCALIPTAIS DE MINAS GERAIS LEAF CUTTING ANTS OUTSIDE THE EUCALYPT PLANTATIONS Iris Cristiane Magistrali1 Norivaldo dos Anjos2 RESUMO
... of leaf cutting ants, mainly when found outside of, but near to, forest ...all leaf cutting ant nests received chemical control with sulfluramid ...
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Expressed sequence tags from Atta laevigata and identification of candidate genes for the control of pest leaf-cutting ants.
... Leaf-cutting ants are the major neotropical herbivores, many of which are important agricultural ...pest leaf- cutting ant in South America, and found that 16 of the genes are likely ...
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Economic damage level for leaf-cutting ants in function of the productivity index of eucalyptus plantations in an Atlantic Forest region.
... by leaf-cutting ants. The effects of leaf- cutting ant on wood production in differents productivity sites were studied in eucalyptus plantations in the region of Atlantic Forest, Minas ...
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An experimental protocol for testing new formulations of granulate baits for the control of leaf-cutting ants Acromyrmex spp. and Atta spp. (Hymenoptera: Formicidae: Myrmicinae: Attini) in the field.
... ABSTRACT - We present hereafter a protocol to test attractiveness of new formulations of granulated baits used against leaf-cutting ants (Acromyrmex spp. and Atta spp.) in the field. Its purpose is ...
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Conteúdo energético das operárias da formiga cortadeira, Atta sexdensWorkers energy content in leaf-cutting ants, Atta sexdens.
... The knowledge of the workers energy content is essential to measure the energy availability for maintenance and performance of activities essences for the colony growth. But little is known about the workers energy ...
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Evaluation of the toxicity of Virola sebifera crude extracts, fractions and isolated compounds on the nest of leaf-cutting ants
... 2.5. Leaf-Cutting Ant Insecticide ...Fifty ants were removed from the nests and put into five Petri dishes (ten ants each) for each ...the ants were maintained on an artificial diet ...
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PATHOGENICITY OF Bacillus thuringiensis ISOLATED FROM TWO SPECIES OF Acromyrmex (HYMENOPTERA, FORMICIDAE)
... specially leaf-cutting ...from ants of Acromyrmex genus was the goal of this ...to leaf-cutting ants and applying it in pathogenicity assays of the new ...
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J. Braz. Chem. Soc. vol.16 número6B
... dead ants for each Petri dish was counted and a new portion of artificial diet ...of leaf-cutting ants of each treatment and calculated the median ...
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J. Braz. Chem. Soc. vol.16 número6B
... The chemical investigation of the fruits of Cipadessa fruticosa (Meliaceae) afforded the new limonoid cipadesin B and the known swietemahonolide. From the roots of Cedrela fissilis (Meliaceae) were isolated the limonoid ...
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FORUM Multitrophic Relationships, Conditional Mutualisms, and the Study of Interaction Biodiversity in Tropical Savannas
... between ants, plants and herbivores, however; spatial variability may be just as important in generating conditionality in mutualism as temporal ...that ants can benefit the plant against leaf and ...
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Energetic cost of digging behavior in workers of the leaf-cutting ant Atta sexdens (Fabricius)
... In natural conditions, workers of Atta sexdens build very large nests with chambers up to 6 m deep in mature colonies, making excavation extremely energetically costly for the colony (Camargo & Forti 2013). ...
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COMPARISON OF RADIAL GROWTH RATE OF THE MUTUALISTIC FUNGUS OF ATTA SEXDENS RUBROPILOSA FOREL IN TWO CULTURE MEDIA
... In vitro culture of the mutualistic fungus of leaf-cutting ants is troublesome due to its low growth rate, which leads to storage problems and contaminants accumulation. This paper aims at comparing ...
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J. Braz. Chem. Soc. vol.16 número3B
... Leaf-cutting ants are known to be a serious pest for agriculture due to the high amounts of vegetal matter from crops used by them in order to cultivate a symbiotic fungus on which they rely for food ...
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Production and nutritive value of piatã grass and hybrid sorghum at different cutting ages
... Highest productivity in terms of PGDM and PLDM occurred respectively at 70 and 110 days after seeding. PLDM greatly contributed towards increase in forage production and correlation with dossel coverage by the coverage ...
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Plant growth, radiation use efficiency and yield of sugarcane cultivated in agroforestry systems: An alternative for threatened ecosystems
... The changes in the microclimatic conditions in different cropping environments resulted in variations of the absolute growth rate and net assimilation rate of plants (Figure 5). The reduction in growth rates is explained ...
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